There were 44 people and chairs with a total of 152 legs. How many people were in the room?

Anyone know the answer to this 5th grade math problem?
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1 Answer

line 1: x+y=44    or y=44-x... (x=peepl)

line 2: 2x+4y=152

2x +4*(44-x)=152

2x-4x+176=152

-2x=152-176=-24

x=12

y=(44-12)=32
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