Which is the solution to the inequality? 2 and 3 fifths is less than b minus 8 over 15

Add 8/15 to both sides to isolate b: 2 3/5 + 8/15 < b. Convert 2 3/5 to fifteenths: 2 3/5 = 39/15, so 39/15 + 8/15 = 47/15 = 3 2/15. Therefore, b is greater than 3 2/15, which is choice D.

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