3 years ago

Find the missing number in this proportion. ?/8 =16/64

2 answers:

7 0

$\dfrac{?}{8}=\dfrac{16}{64}\ \ \ |cross\ multiply\\\\64?=8\cdot16\\\\64?=128\ \ \ \ |divide\ both\ sides\ by\ 64\\\\\boxed{?=2}\\\\Other\ method:\\\\\dfrac{?}{8}=\dfrac{16}{64}\\\\64:8=\boxed8\to16:\boxed8=2\\\\\boxed{\frac{2}{8}=\frac{16}{64}}$

morpeh [17]3 years ago

3 0

2/8 = 16/64
1/4 = 1/4 ..................

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