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OpenStudy (anonymous):
Marty's class collected $4.40 in a school-wide penny collection contest. If Tommy's class subtracted $4.50 from the amount they collected, x, and then multiplied the difference by 2, they would have the same amount of money as Marty's class. 2(x - $4.50)= $4.40 How much money did Tommy's class collect? a. $11.20 b. $6.70 c. $4.50 d. $15.70
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