Question

solve for x 90:3000::x:100
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Answer 1

Answer:

30

$\frac{90}{3000} = \frac{x}{100}$

$\frac{9}{30} = \frac{x}{100}$

30x =900

x=900÷30

x=30

Answer 2

90:3000::x:100

90×100=3000×x

9000=3000x

x=9000/3000

x=3

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