Marty's class collected $7.60 in a school-wide penny collection contest. If Tommy's class subtracted $2.30 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.
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Answer: A .$6.10
Step-by-step explanation:
Hi, to answer this question we have to solve the equation given for x .
2 (x-2.30) = 7.60
Dividing both sides by 2.
[2 (x-2.30)]/2 = 7.60 /2
x-2.30 =3.8
Adding 2.30 to both sides
x-2.30+2.30 =3.8+2.30
x =$6.10
The correct answer is A. Tommy's class collected $6.10
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