algebra
posted by alks .
samantha is buying carpet for her bedroom floor, which is a 15footby12foot rectangle. if carpeting cost $1.2 per square fot, how much will it cost samantha to carpet her bedroom?

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

algebra 
alks
huh? i don't get it

algebra 
Ms. Sue
Multiply: 15 * 12 * 1.20 = ?

algebra 
alks
216???
in my books theres A.$68 B.$144 C.$180
D.$225 
algebra 
Ms. Sue
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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