Write the Equation
A taxi charges $4 starting fee + $2 per mile.
Write the equation.
What is C = 4 + 2m
Taxi: $4 + $2 per mile
Cost for 5 miles
What is C=4+2(5)=14
A movie rental service charges
$10 membership + $2 per movie.
Cost for 6 movies
What is C=10+2(6)=22
Solve
x+6=15
What is x = 9
Bike rental: $6 starting fee + $3 per hour
What is C=6+3h
Ski rental: $20 + $15 per hour
Cost for 3 hours
What is C=20+15(3)=65
Amusement park charges
$15 entry + $3 per ride.
Cost for 7 rides
What is C=15+3(7)=36
Solve
3x=24
What is x=8