Solve the proportion below.
x/12=12/72

answer:

x=2

step-by-step explanation:

to get the 12 to be a 72, you multiply by 6. whatever you do to the bottom you do to the top.

but we can't multiply a number we don't know. so we do the opposite, divide. 12 ÷ 6 is 2.

it will take 9 minutes                

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hope this