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Lionel sold at $10.70 each and 15 pens at $2.10 each during a sale. Janet sold the same number of balls at $11.20 each and 15 pens at $1.90each. They collected the same amount of money. How many ball did
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41 votes
41 votes
Lionel sold at $10.70 each and 15 pens at $2.10 each during a sale. Janet sold the same number of balls at $11.20 each and 15 pens at $1.90each. They collected the same amount of money. How many ball did each of them sell?

User Igor Danchenko
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1 Answer

11 votes
11 votes
Let the number of ball be x.

10.7x+15(2.1)=11.2x+15(1.9)
31.5=0.5x+28.5
0.5x=3
x=6

Therefore each of them sell 6 balls.

Hope it helps, have a nice day : )
User Shalisa
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