Acar's fuel economy is 30 mpg. a warning light is displayed if the remaining distance that can be driven before the car runs out of gas drops below 50 miles. initially the car has 10 gallons of gas. how many gallons, g, can be used before the warning light comes on?

8.33 gallons

Explanation:

Given: A car's fuel economy is 30 mpg. a warning light is displayed if the remaining distance that can be driven before the car runs out of gas drops below 50 miles.

To Find: initially the car has 10 gallons of gas. how many gallons, g, can be used before the warning light comes on.

Solution:

Total fuel in car

fuel economy of car

fuel required to ride 30 mile

fuel required to ride 1 mile

Now,

Fuel required to ride 50 miles

fuel left in car when warning light is displayed

Amount of fuel that can be consumed before warning light dislays

8.33 gallons fuel can be used before warning light comes on

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.