4 years ago

What is the answer the proprtion m+12/9m=5/9

Mathematics

1 answer:

Delvig [45]4 years ago

7 0

(m + 12) / 9m = 5 / 9
cross multiply
(5)(9m) = 9(m + 12)
45m = 9m + 108
45m - 9m = 108
36m = 108
m = 108/36
m = 3 <==

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