Question

Marissa can buy 3 oranges for $1.35 4 oranges for $.80 or 5 oranges for $2.25 marissa can buy 10 oranges for a price that fits this pattern or a bag of oranges for $4.25 which way costs less for 10 oranges

Answer 1

3 oranges= $1.35, so one orange cost $0.45

4 oranges= $1.80, one orange cost $0.45

5 oranges= $2.25, one orange cost $0.45

If one orange cost $0.45, then ten cost $4.50 ($0.45*10)

If you were to buy ten oranges are $4.25, this would make each orange $0.425 ($0.43 rounded).

This means that if you were to buy ten oranges, it would be cheaper to buy ten for $4.25, instead of buying two lots of 5 for $2.25 each.

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