Gr 9 MATH: Ch 1.3 Solving Problems
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Questions and Answers

What is Moeneba's rate of collecting apples?

  • 7 apples per minute
  • 3 apples per minute
  • 5 apples per minute (correct)
  • 10 apples per minute

What is the ratio of flour to oatmeal in a biscuit recipe?

  • 3:2
  • 2:1
  • 1:1
  • 5:2 (correct)

What is the formula to calculate average speed?

  • Time × Distance
  • Time / Distance
  • Distance × Time
  • Distance / Time (correct)

What is the difference between the HP price and the cash price?

<p>Interest (B)</p> Signup and view all the answers

What type of interest is calculated on the principal amount without adding the interest to the principal each year?

<p>Simple interest (D)</p> Signup and view all the answers

What is the term for the price at which something is marked to be sold?

<p>Marked price (D)</p> Signup and view all the answers

What is the relationship between distance, speed, and time?

<p>Time = Distance / Speed (D)</p> Signup and view all the answers

What is the purpose of calculating the average speed for different sections of a journey?

<p>To determine the overall journey time (B)</p> Signup and view all the answers

What is the term for the amount of money paid as a deposit in a hire purchase?

<p>Deposit (A)</p> Signup and view all the answers

What is the term for the price of an item when it is sold at a lower price than its original price?

<p>Discount price (D)</p> Signup and view all the answers

If Moeneba collects 120 apples in 20 minutes, what is the ratio of Moeneba's rate to Garth's rate?

<p>5:12 (A)</p> Signup and view all the answers

If a recipe for biscuits requires 10 parts of flour, how many parts of oatmeal and cocoa powder are required?

<p>2 parts of oatmeal and 1 part of cocoa powder (C)</p> Signup and view all the answers

If a car travels 240 km in 4 hours, what is the average speed of the car?

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

If a shirt is marked at a price of $80 and is sold at a 20% discount, what is the selling price?

<p>$64 (B)</p> Signup and view all the answers

If a product is sold at a profit of 25% and the cost price is $100, what is the selling price?

<p>$120 (A)</p> Signup and view all the answers

If a person buys a product on hire purchase with a deposit of $100 and 10 monthly instalments of $20, what is the total HP price?

<p>$300 (D)</p> Signup and view all the answers

If a person invests $1000 at a simple interest rate of 10% per annum, what is the total amount after 2 years?

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

If a person invests $1000 at a compound interest rate of 10% per annum, what is the total amount after 2 years?

<p>$1210 (A)</p> Signup and view all the answers

If a person exchanges $1000 from USD to EUR at an exchange rate of 1:1.2, how much EUR does the person receive?

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

If a person pays a commission of 2% on a currency exchange transaction, what is the total amount paid in USD?

<p>$1020 (B)</p> Signup and view all the answers

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