Engine Repair Work Example 15

WorkKey Level:7
NATEF Automotive Tasks: Background

Problem:

An engine leaks 1/10 ounce drop of oil every 4 seconds at the rear seal. How many hours will the engine run before you have to add 1 qt of oil?

Solution:

1 qt = 32 oz
1/10 = 0.1
You lose 0.1 oz every 4 seconds.

So, , or

and x = 40.32 or x = 1280 seconds
1280 ÷ 60 = 21.3 mi