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On a test, a student got 80% of the items correct. If the student got 56 items correct, how many items were on the test?
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On a test, a student got 80% of the items correct. If the student got 56 items correct, how many items were on the test?
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Jul 12, 2017
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On a test, a student got 80% of the items correct. If the student got 56 items correct, how many items were on the test?
Mathematics
middle-school
Glen Robertson
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Glen Robertson
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80% of what is 56
0.80x = 56
x = 56/0.80
x = 70
check..
80% of 70 is 56
.80(70) = 56
56 = 56 (correct)
so there were 70 items on the test
Goblinhack
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Jul 16, 2017
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Goblinhack
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