Section B Section B Checkpoint

Problem 1

Last week it took a canoe team 56 minutes to paddle across the bay. This week it took them 49 minutes. By what percentage did their time decrease?

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Solution
12.5%
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Sample Response
12.5%

Problem 2

This year, the canoe club has 32 members. This is a 28% increase from the number of members last year.

  1. Draw a diagram that could help you find the number of members that were in the canoe club last year. (You don’t have to actually solve the problem, but the diagram should represent how the number of members from this year and last year relate to each other.)
  2. Write an equation that could help you find the number of members that were in the canoe club last year. (You don’t have to actually solve the problem.)
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Solution
  1. Sample responses:
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    •  
  2. 1.28x=321.28x = 32 (or equivalent)
Show Sample Response
Sample Response
  1. Sample responses:
    •  
    •  
  2. 1.28x=321.28x = 32 (or equivalent)