Car wash help

Four guys would finish washing cars at a gas station in 4 hours. After one hour, two more friends come to help them. How long will it take to finish the car wash?

Final Answer:

x =  3 h

Step-by-step explanation:

4 4=4 1+(4+2) (x1)  6x=18  x=618=3  x=3=3 h



Help us improve the example. If you find a mistake, let us know. Thank you!







Tips for related online calculators
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?
Do you want to convert time units like minutes to seconds?

You need to know the following knowledge to solve this word math problem:

algebraUnits of physical quantitiesthemes, topicsGrade of the word problem

Related math problems and questions: