# algebra

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samantha is buying carpet for her bedroom floor, which is a 15-foot-by-12-foot rectangle. if carpeting cost \$1.2 per square fot, how much will it cost samantha to carpet her bedroom?

• algebra -

cost= area*cost/area= 15*12*1.20

• algebra -

huh? i don't get it

• algebra -

Multiply: 15 * 12 * 1.20 = ?

• algebra -

216???
in my books theres A.\$68 B.\$144 C.\$180
D.\$225

• algebra -

Either you've copied the problem wrong or the answer key is wrong.

The area of the carpet is 180 square feet. At \$1.20 per square foot, it will cost her \$216.

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