rjejfjdjdjdj rjejfjdjdjdj

03-04-2018
Mathematics

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Barbara answered 72 questions correctly on her test. If her score on the test was 80%, how many questions were on the test?

Barbara answered 72 questions correctly on her test If her score on the test was 80 how many questions were on the test class=

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bezruchukp6kuuz bezruchukp6kuuz

03-04-2018

Answer is B - 90
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Bladerunner1976 Bladerunner1976

03-04-2018

For a percentage question setup is like this:
part = percentage * whole

part = 72
percentage = 80% = 0.8

72 = 0.8 * whole
whole = 72/0.8 = 90

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