Mathematics Class 7: Ratios and Proportions
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Questions and Answers

If Elmer saved P800 in 5 weeks, how much would he save in 8 weeks?

  • P1,500
  • P1,280 (correct)
  • P1,200
  • P900
  • What is the total quantity when dividing 150 according to the ratio 7:8?

  • 19 (correct)
  • 31
  • 22
  • 15
  • A car uses 20 liters of gasoline for 48 km. How many liters would it use for 144 km?

  • 50 liters
  • 80 liters
  • 60 liters (correct)
  • 40 liters
  • What is the sum of the parts in the ratio 2:3:5?

    <p>10 (C)</p> Signup and view all the answers

    Using the equation 3n + 5n + 7n = 180°, what is the value of n?

    <p>20° (D)</p> Signup and view all the answers

    Flashcards

    Ratio of 2:3

    A ratio that divides a quantity into two parts in the proportion of 2 to 3

    Partitioning a quantity

    Distributing a total amount into different parts according to a given ratio.

    Proportion in word problems

    Relating quantities that change at a constant rate to each other. If one value increases, the other increases at the same rate or vice versa.

    Solving for unknown value (word problems)

    Finding the missing value in a problem if one value or a ratio is known and the rate is consistent.

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    Sum of interior angles in polygons

    The total angle measure of the angles inside a polygon, calculated as (n - 2) * 180, where n is the number of sides.

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