Question

Creating a One-Variable Equation to Model and Solve a Problem

Answer 1

Answer:

The hourly fee for rototiller is $3 per hour.

Step-by-step explanation:

We are given the following in the equation:

The rental company  charged an initial fee of $43 with an additional fee per hour.

Let h represents the hourly fee.

The family paid $64 after renting the rototiller for 7 hours.

Thus, we can write the equation:

$43 + 7h = 64$

Solving the equation, we get,

$43 + 7h = 64\\7h = 64-43\\7h = 21\\\Rightarrow h = 3$

Thus, the hourly fee is $3 per hour.

Equation:

$C(x) = 43 + 3x$

where C(x) is the cost function and x is the number of hours rototiller is rented.

The hourly fee for rototiller is $3 per hour.