Define the variable and write an equation for each problem.
Mike bought a tape and a CD. The CD cost twice as much as the tape. The total cost was $66.99. Fine the cost of each.
x=
Anne lost her tennis racket. She bought a new one for $30.00. This was $6 less than three times the price of the old one. How much did she pay for the old racket?
x=
The perimeter of a rectangle is 110 ft. The length is 5 less than 4 times the width. What are the dimensions of the rectangle?
x=
Equation:
You want to buy 5 square yards of carpet. In addition to the cost of the carpet, there is a $40 installation fee. The total bill is 234.25. What is the cost of one square yard of carpet?
x=
Mary charges $2.50 per hour for babysitting plus $2.00 for gas if she has to drive to the house. If Mary drove to babysit and earned $9.50, how many hours did she work?
x=