Ahmed is taking orders for lunch. A slice of pizza cost $2 and a chicken sandwich costs $3. He collects $24 for the group of 10
people.How many people ordered a chicken sandwich?
2 answers:
1.5x+2.5y=21.50
x+y=9
8 people ordered chicken sandwich
2p+3c=24
p+c=10
solve for p: p= 10-c
Substitute for p: 20-2c+3c=24
add the Cs: 20+c=24
Subtract: c=4
So four people ordered a chicken sandwich.
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