How do you solve $\frac{12}{20} = \frac{108}{y}$ $\frac { 12} { 20} = \frac { 108} { y }$ ?

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Answer 1 · 2016-12-09T14:19:02

y = 180

$\frac{12}{20}$ $12/20$ = $\frac{108}{y}$ $108/y$

Cross Multiply the 108 and 20

108 ⋅ 20 = 2160

Then, divide the 12

$\frac{2160}{12}$ $2160/12$ = 180

y = 180

How do you solve 1220=108y\frac { 12} { 20} = \frac { 108} { y }?