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Questions and Answers

What is the formula to calculate the speed of an entity?

  • Time plus distance
  • Distance divided by time (correct)
  • Distance multiplied by time
  • Time divided by distance
  • What is the cost price?

  • The price at which an article is bought (correct)
  • The price marked on the article for sale
  • The price after any discount is applied
  • The price at which an article is sold
  • How do you find a percentage of a quantity?

  • Multiply by the percentage and add 100
  • Multiply by the percentage and divide by 100 (correct)
  • Add the percentage and divide by 100
  • Divide by the percentage and subtract 100
  • What is the formula to calculate the selling price?

    <p>Marked price minus discount</p> Signup and view all the answers

    How do you calculate profit percentage?

    <p>Find the difference between selling price and cost price, divide by cost price, and multiply by 100</p> Signup and view all the answers

    What is the formula for simple interest?

    <p>Principal multiplied by rate and time</p> Signup and view all the answers

    What is the formula to calculate distance based on speed and time?

    <p>Distance = Speed × Time</p> Signup and view all the answers

    What is the purpose of comparing ratios in problem-solving?

    <p>To identify the relationship between quantities</p> Signup and view all the answers

    How do you calculate the time required to process a certain amount based on a rate?

    <p>Divide the total amount by the rate</p> Signup and view all the answers

    What is the purpose of scaling quantities in recipes?

    <p>To adjust the number of servings</p> Signup and view all the answers

    How do you increase a quantity in a ratio?

    <p>Multiply the quantity by the factor needed</p> Signup and view all the answers

    What is the purpose of expressing the total amount to be shared in a ratio of hours worked?

    <p>To divide the total amount among workers</p> Signup and view all the answers

    What is the formula to convert currency from one type to another?

    <p>Multiply the amount by the exchange rate</p> Signup and view all the answers

    What is the purpose of comparing production rates between different machines?

    <p>To compare the efficiency of different machines</p> Signup and view all the answers

    What is the purpose of ranking entities based on their speeds?

    <p>To compare the performance of different entities</p> Signup and view all the answers

    What is the result of subtracting the discount amount from the marked price?

    <p>Selling price</p> Signup and view all the answers

    What is the difference between the selling price and the cost price used to calculate?

    <p>Profit percentage</p> Signup and view all the answers

    What is the principal multiplied by in the formula for simple interest?

    <p>Rate and time</p> Signup and view all the answers

    What is the purpose of using decimals when calculating discounts?

    <p>To convert the discount rate to a decimal form</p> Signup and view all the answers

    What is the result of finding the difference between the selling price and the cost price and dividing by the cost price?

    <p>Profit percentage</p> Signup and view all the answers

    What is the primary purpose of calculating a rate?

    <p>To describe how one quantity changes in relation to another</p> Signup and view all the answers

    A bakery sells 240 loaves of bread per day at a rate of 30 loaves per hour. How many hours does it operate per day?

    <p>6 hours</p> Signup and view all the answers

    A car travels 240 km in 4 hours. What is its speed?

    <p>60 km/h</p> Signup and view all the answers

    A recipe for making cookies requires a ratio of 2:3 of sugar to flour. If you need 6 cups of flour, how many cups of sugar do you need?

    <p>3 cups</p> Signup and view all the answers

    A factory produces 480 toys per day at a rate of 60 toys per hour. How many hours does it operate per day?

    <p>8 hours</p> Signup and view all the answers

    If a person works 3 hours and another person works 5 hours, what is the ratio of their work hours?

    <p>3:5</p> Signup and view all the answers

    A company converts $1000 from USD to EUR at an exchange rate of 1:1.2. How much is the converted amount in EUR?

    <p>€1200</p> Signup and view all the answers

    A pattern of beads has a ratio of 2:5 of red to blue beads. If there are 10 blue beads, how many red beads are there?

    <p>4</p> Signup and view all the answers

    A machine can produce 120 boxes in 4 hours. How many boxes can it produce per hour?

    <p>30 boxes</p> Signup and view all the answers

    A recipe requires a ratio of 3:5 of flour to sugar. If you need 9 cups of sugar, how many cups of flour do you need?

    <p>6 cups</p> Signup and view all the answers

    A person can paint 6 walls in 3 hours. How many walls can they paint in 5 hours?

    <p>10 walls</p> Signup and view all the answers

    A factory produces 360 toys in 6 hours. At this rate, how many toys can it produce in 8 hours?

    <p>480 toys</p> Signup and view all the answers

    A person works 5 hours and another person works 3 hours. What is the ratio of their work hours?

    <p>5:3</p> Signup and view all the answers

    A car travels 300 km in 5 hours. How many kilometers does it travel per hour?

    <p>60 km</p> Signup and view all the answers

    A company converts £800 from GBP to USD at an exchange rate of 1:1.5. How much is the converted amount in USD?

    <p>$1200</p> Signup and view all the answers

    A pattern of tiles has a ratio of 4:7 of red to blue tiles. If there are 16 blue tiles, how many red tiles are there?

    <p>8 tiles</p> Signup and view all the answers

    A shopkeeper buys an item for $50 and marks it up by 20%. What is the marked price?

    <p>$60</p> Signup and view all the answers

    A person invests $1000 at a simple interest rate of 5% per annum. What is the interest earned in 2 years?

    <p>$200</p> Signup and view all the answers

    A company sells an item for $80 after a 10% discount. What was the marked price?

    <p>$88</p> Signup and view all the answers

    A person buys an item for $60 and sells it for $75. What is the profit percentage?

    <p>25%</p> Signup and view all the answers

    A person invests $2000 at a compound interest rate of 10% per annum. What is the total amount after 2 years?

    <p>$2420</p> Signup and view all the answers

    A shopkeeper sells an item for $120 after a 20% discount. What was the cost price?

    <p>$150</p> Signup and view all the answers

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