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MAXImum [283]
3 years ago
7

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

Mathematics
2 answers:
Pani-rosa [81]3 years ago
5 0
Answer is B - 90
-----
elena55 [62]3 years ago
5 0
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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