the number of calories in a piece of pizza is 20 less than 3 time the number in a bag of chips the pizza and chips together have
620 calories how many calories are in each
1 answer:
Answer:
pizza is 460, chips are 160
Step-by-step explanation:
x is pizza, y is chips
x+y=620
x=3y-20
sub: 4y-20=620
4y=640
y=160
x=460
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