Posted by sheila on Saturday, November 7, 2009 at 9:11am.
shelby had $18.50. She spent $7.25 at the car wash. Write an expression that shows how much she spent.

3rd grade math  PsyDAG, Saturday, November 7, 2009 at 10:01am
You have just said that she spent $7.25. There is no need for an equation.
However, if you want to know how much she has left:
$18.50  $7.25 = ?
I hope this helps. Thanks for asking. 
3rd grade  Anonymous, Wednesday, October 22, 2014 at 9:07am
(18.50 7.50)