If a student must have a mark of 80% to pass a test of 75 items, the number of items he may miss and still pass the test is

Question

If a student must have a mark of 80% to pass a test of 75 items, the number of items he may miss and  still pass the test is

Raymond B. · Accepted Answer

.2(75) = 15 missed and he passes with 80% correctmiss 15 means 60 correct60/75 = 12/15 = 4/5= .8 = 80%

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