Formulas Using Formulas to Solve Problems
Guided Practice
1. You have $12.00 to rent a pair of in-line skates. They rent for $3.00 plus $1.50
per hour. To find the maximum length of time you can rent the in-line skates,
solve the formula C = 3 + 1.5h for h. Then substitute 12 for C.
A 6 hours
B 7.5 hours
C 5 hours
D 10 hours