Marty's class collected $26.00 in a school-wide penny collection contest. If Tommy's class added $4.00 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.

2(x + $4.00)= $26.00

A.
$13.00
B.
$17.00
C.
$9.00
D.
$4.00

Question

Marty's class collected $26.00 in a school-wide penny collection contest. If Tommy's class added $4.00 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.

       2(x + $4.00)= $26.00

  A. 
$13.00
  B. 
$17.00
  C. 
$9.00
  D. 
$4.00

mathmale · Answer

Apparently all you have to do here is to solve the given equation.  What would you do first to accomplish that?

anonymous · Answer

You'd need to figure out whats inside the parenthesis first wouldn't you?

mathmale · Answer

That's a good question.
However, without knowing the value of x, we can't do much with x+4.00.
the goal here is to solve for the unknown quantity, x.  How would you begin to isolate x+4.00?

anonymous · Answer

That's what i'm stuck on.

anonymous · Answer

Can you help? @mathmale