04-12-2019
Mathematics

contestada

PROBLEM #5
Hannah recently took two tests. She
made a 70 on this week's test and an
80 on last week's test. By what
percentage did her grade change?
Answer: Her grade decreased by 12.5%.

Respuesta :

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04-12-2019

Answer:

12.5%

Step-by-step explanation:

80 - 70 = 10

10 / 80 = 0.125

Convert decimal to percent.

0.125 = 12.5%

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