Question

There are 15 girls in your class this year. That is a 15% increase from last year.
a. Write a proportion to solve for the number of girls in the class last year.
b. Solve the proportion in part (a).

Answer 1

Answer:

13 girls

Step-by-step explanation:

100 + 15 = 115%

115% = 15 girls

1% = 0.13

100% = 0.13 x 100 = 13

Answer 2

Answer:

13 girls

Step-by-step explanation:

100 + 15 = 115%

115% = 15 girls

1% = 0.13

100% = 0.13 x 100 = 13

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