On a test, Shoshana got 65% or 23.4 of the items correct? How many items were on the test?

Let the total number of test items be n. Since 65% of the items is 23.4, solve 0.65n = 23.4, giving n = 23.4 ÷ 0.65 = 36. The test had 36 items, which is choice C.

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