D. 90 4. Mike and Tony are private baseball hitting instructors. Mike charges $12 for travel expenses
and $35 per hour of instruction. Tony's fee can be modeled by the equation C = 32h +20, where
h is the number of hours of hitting instruction. Both Mike and Tony will be giving four hours of
hitting instruction at different baseball camps.
What is the total fee that Mike charges for 4 hours of instruction?
$47.00
$83.00
$140.00
$152.00