Carol ate 2/5 of the cake; Dima ate 3/8 of the remaining cake, mom ate the rest. What fraction of the whole cake did mom eat?
1 answer:
Answer:
<h2><u><em>
9/40</em></u></h2>
Step-by-step explanation:
Carol ate 2/5 of the cake; Dima ate 3/8 of the remaining cake, mom ate the rest. What fraction of the whole cake did mom eat?
1 - (2/5 + 3/8) =
1 - 31/40 =
9/40
-----------------
check
9/40 + 2/5 + 3/8 = 1
the answer is good
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