Question

How many btus are needed to cool lucia’s apartment? 19,600 btus 19,800 btus 20,400 btus 24,000 btus

Answer 1

The number of btus that are needed to cool lucia’s apartment is 20,400 btus.

BTUs needed

First step

Left side=12×10×20

Left side=2400 cubic feet

Middle =16×10×(20-9)

Middle =16×10×11

Middle =1,760 cubic feet

Right side=20×10×20

Right side= 4000 cubic feet

Second step

BTUs:

BTUs=(2400+1760+4000)×2.5

BTUs=8160×2.5

BTUs=20,400 Btus

Therefore the number of btus that are needed to cool lucia’s apartment is 20,400 btus.

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