13 9/10 = 139/10
3 1/2 = 7/2
(139/10)/(7/2) = (139/10)(2/7) = 278/70 = 4 38/70 = 4 19/35
Dave F.
asked 09/22/18
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Jeanne B.
Shouldn't this be 4 34/35?10/16/19