Question

Marty's class collected $30.00 in a school-wide penny collection contest. If Tommy's class added $6.00 to the amount they collected, x, and then multiplied the sum by 2, they would have the same amount of money as Marty's class.

will mark Brain*

Answer 1

X=9

Explanation:

Martys class has 30 dollars

Tommy has (6+x)X2=30

30/2 is 15

15-6 is 9