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aubrey bout a sweater on sale for $12. this was 1/5 of the original price. what was the original price of the sweater?

We know that one fifth of the original cost is $12, so we can set up our equation.
(1/5)*(original cost of sweater) = $12
To cancel out the (1/5), multiply both sides of the equation by five
This makes the equation
original cost of sweater = $12*5
original cost of sweater = $60

Arhombus is a quadrilateral.