Alfonso earned a score of 87.5% on his test. he did 56 problems correctly. how many problems were on the test?
2 answers:
Are there options or is it an estimated guess?
64. 87.5% in fractions is 7/8. We divide 56 by 7/8, and get to 64.
56 ÷ 7/8= 56 x 8/7= 448/7, which is reduced into 64.
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