Living room

Marina's new living room is a rectangle with a length of 8 meters and a width of 5 meters. She wants to buy a carpet to cover half of the living room and each square meter of the carpet has a cost of $4. How much will be the total cost for Marina?

Correct answer:

x =  80 USD

Step-by-step explanation:

a=8 m b=5 m  S1=a b=8 5=40 m2 S2=S1/2=40/2=20 m2  p=4 USD/m2  x=p S2=4 20=80 USD

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