Question

10/20=20/x solve

Answer 1

\[\frac{10}{20}=\frac{20}{x}\]cross and time

Answer 2

10*x=20*20
x=20*20/10
x=20*2
x-40

Answer 3

x=40 *

Answer 4

10*x=20*20

Answer 5

\[x=\frac{400}{10}=40\]

Answer 6

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