Marissa can buy 3 oranges for $1.35,4 oranges for $1.80,or 5 oranges for $2.25 .marrisa can buy 10 oranges for a price that fits this pattern or a bag of 10 oranges for $4.25. which way costs less for 10 oranges? explain.

1.35 for 3 oranges is $0.45 per orange10x0.45=$4.5
1.8 for 4 oranges is $0.45 per orange10x0.45=$4.5
2.25 for 5 oranges is $0.45 per orange10x0.45=$4.5

or

$4.25 for 10 oranges is $0.425 per orange10x0.425=$4.25

It is cheaper to buy 10 oranges for $4.25 because the price per orange is $0.025 cheaper than all the other offers.

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