Mathematics, 04.10.2020 14:01 sleimanabir
Write out the algebraic proportion if the ratio of a to 7 is equal to the ratio of three more than a to 13.
a/7 = a+3/13
a/7 = a−3/13
7/a = a+3/13
a/7 = 13/a+3
Answers: 3
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