Hallapastels Hallapastels

10-03-2016
Mathematics

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Marissa bought 3 sweaters on sale for the same price. After using a coupon for $25, the total cost was $80. Write an algebraic equation to represent the situation. How much did each sweater cost?

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SarcasticSeagull SarcasticSeagull

10-03-2016

S=sweaters cost
3S-25=80
add 25 to both sides
3S= 105
divide both sides by 3
1 sweater costs $35

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