Question

With a full tank of gas, if you can drive 485 miles, your car uses 18 miles per gallon. Write an equation to model this situation (use m for miles you can drive and g for gallons in tank).

Answer 1

Answer: m= 18g

Step-by-step explanation:

Let m= miles you can drive

g = g for gallons in tank

We know that there is directly proportional relation between the distance traveled by vehicle and the number of gallons of gas.

Then, rate of miles driven by you per gallon = $\dfrac{m}{g}$

Since , rate of miles driven by you per gallon  = 18 miles per gallon (given)

Then,

$\dfrac{m}{g}=18\\\\ m= 18g$

Hence, the equation to model this situation : m= 18g