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

Question

3 years ago

15

people.How many people ordered a chicken sandwich?

2 answers:

aleksklad [387] · Answer 1 · 2021-11-15T07:14:33+03:00

6 0

1.5x+2.5y=21.50

x+y=9

8 people ordered chicken sandwich

choli [55] · Answer 2 · 2021-11-15T06:00:56+03:00

choli [55]3 years ago

5 0

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.