Rational Work Equations

Solve the equation for x.

• 7

• 6

• 14

• 0

Solve.

• x = 5

• x = -3

• x = 3

• x = -5

Solve.

• x = 4.5

• x = -4.5

• x = 3

• x = -3

It takes Ahmed 1 hours to clean 1 room, and It takes Alexander 7 hours to clean 2 rooms. Working together, how long will it take them to clean 3 rooms?

• 2.33 hours

• 3.33 hours

• 4.33 hours

• 5.33 hours

Working alone, Micaela can oil the lanes

in a bowling alley in eight hours. One day

her friend Paul helped her and it only took

4.24 hours. Find how long it would take

Paul to do it alone.

• 11.03 hours

• 9.02 hours

• 10.65 hours

• 6.91 hours

Lucy and Quinn have started a car washing business. Lucy can wash a car in 3 hours. Together, Lucy and Quinn can wash a car in 1 hour. How long does it take Quinn to wash a car by herself?

• It takes Quinn 4 hours.

• It takes Quinn 2 hours.

• It takes Quinn 1.5 hours.

• I don't know. It's too cold to wash cars! *DON'T PICK THIS!*

Sam can clean the store in five hours. If Ben helps, it takes them four hours. Without help, how long would it take Ben to complete this job ?

• 10 hours

• 25 hours

• 20 hours

• 15 hours

Connor and Melanie were able to reupholster furniture in three hours together. It takes Melanie five hours to do this job alone. Without help, how long would it take Connor to do this job ?

• 5.5 hours

• 6.5 hours

• 7.5 hours

• 8.5 hours

For Sterling, it takes six hours to clean the attic. However, Miranda takes twelve hours to clean the attic. If working together, how long would they take?

• 6 hours

• 4 hours

• 11 hours

• 3 hours

• 6.47 hours

• 4.67 hours

• 6.27 hours

• 5.09 hours