SOLUTION: Della takes 12 hours to dust the house. It takes Bebe two hours to finish this job. How long would it take if they worked together? <-- *can you make the representation using x tha
Algebra.Com
Question 1018740: Della takes 12 hours to dust the house. It takes Bebe two hours to finish this job. How long would it take if they worked together? <-- *can you make the representation using x thankyou*
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
Della: 1/12 of the house dusted in 1 hr
Bebe: 1/2 of the house dusted in 1 hr
1/12 + 1/2 = 14/24 = 7/12
It takes 12/7 hours for both of them to finish.
RELATED QUESTIONS
Melanie takes four hours to wash a boat. It takes Jessica five hours to finish this job.... (answered by solver91311,stanbon)
Joan takes 7 hours to clean the basement. It takes mike 12 hours to do this job. How long (answered by ikleyn,ankor@dixie-net.com)
A painter finished a house in 8 hours, assistant takes 10 hours to finish same job, how... (answered by josgarithmetic)
Tom takes 9 hours to do a job. sara takes 10 hours to do the same job. How long would it... (answered by ankor@dixie-net.com,Alan3354)
A painter can finish painting a house in 3 hours. Her assistant takes 5 hours to finish... (answered by checkley75)
A painter can finish painting a house in 4 hours. Her assistant takes 6 hours to finish... (answered by Ruli)
A painter can finish painting a house in 8 hours. Her assistant takes 10 hours to finish (answered by scott8148)
A painter can finish painting a house in 5 hours. Her assistant takes 7 hours to finish... (answered by Alan3354)
A painter can finish painting a house in 3 hours. Her assistant takes 5 hours to finish... (answered by Alan3354)