Question

The equation y = -0.04x + 12 gives the number of gallons of gas in your car. where x is the number of miles driven. How many gallons of gas are left after driving 200 miles?

Answer 1

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data

y = -0.04x + 12

y = gallons of gas

x = miles

x = 200 miles

y = ?

Step 02:

If x = 200 miles

y = -0.04(200) + 12

y = 4

The answer is:

4 gallons of gas