WORK WORD PROBLEMS

Working alone at a constant rate, Carla can wash a load of dishes in 42 minutes. If Carla works together with Dan and they both work at constant rates, it takes them 28 minutes to wash the same load of dishes. Working at a constant rate, how long would it take Dan to wash the load of dishes by himself?

• 50 minutes

• 1 hour

• 84 minutes

• 2 hours

Tags

CCSS.HSA.CED.A.1

Working alone, it takes Asanji eight hours to dig a 10 ft by 10 ft hole. Brenda can dig the same hole in four hours. How long would it take them if they worked together?

• 2.66 hours

• 4 hours

• 4.24 hours

• 5 hours

Sally and Dan were able to paint a room in 3 hours together. It takes Dan 4 hours to do this job alone. Without help, how long would it take Sally to do this job ?

• 11 hous

• 12.54 hours

• 12 hours

• 13 hours

Tags

CCSS.HSA.CED.A.1

It takes Darryl 12 hours to mop a warehouse. Castel can mop the same warehouse in 8 hours. Find how long it would take them if they worked together.

• 3.12 hours

• 4 hours

• 4.13 hours

• 4.80 hours

Working alone, Shanice can tar a roof in 12 hours. One day her friend Kathryn helped her and it only took 4 hours. How long would it take Kathryn to do it alone?

• 8 hours

• 4 hours

• 8.50 hours

• 6 hours