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Three friends go bowling. The cost per person per game is $5.30. The cost to rent shoes is $2.50 per person. Their total cost is $55.20. How many games did they play?

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alice2020324
answer: 9 games
x=games
2.5×3+5.3x=55.2
7.5+5.3x=55.2
5.3x=47.7
x=9

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