Question

Solve the proportion : 4 / 5 = a / 16

Answer 1

Step-by-step explanation:

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Answer 2

Cross multiplication is gonna do your work here :

$\frac{4}{5} = \frac{a}{16}$

$5 \times a = 4 \times 16 \\ 5a = 64 \\ a = \frac{64}{5} \\ a = 12.80$

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