Rate Problem: Jeff and Lucy have been asked to wash their mom’s minivan. It takes Jeff 2 hours to wash the van by himself, and it takes Lucy 1.5 hours to wash the van by herself. How long will it take Jeff and Lucy to wash the van if they work together?
a. What equation is used to solve this problem? What does each variable represent?
b. Identify the given information.
c. Enter the given information into the equation.
d. Solve the equation.
e. State the solution.

Please help me!

Question

Rate Problem: Jeff and Lucy have been asked to wash their mom’s minivan. It takes Jeff 2 hours to wash the van by himself, and it takes Lucy 1.5 hours to wash the van by herself. How long will it take Jeff and Lucy to wash the van if they work together?
a.	What equation is used to solve this problem? What does each variable represent?  
b.	Identify the given information.
c.	Enter the given information into the equation.
d.	Solve the equation.
e.	State the solution.

Please help me!

anonymous · Answer

dj/dt * 2 = 1
where dj/dt is the rate at which jeff washes a car
in cars per hour