# math

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if you buy 30 apple for 47 dollars how much does 1 apple cost

• math -

47/30 = \$1.57 each

• math -

if 30apples = \$47
then 1 apple = x

cross mutilpy and you get 30x=\$47
divide each side by 30

x=1.56666666

rounded to \$1.57 per apple.

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