SOLUTION: Aly can paint a room two hours less than AJ. If they will work together, they can finish the job in 12 hours. How long would it take each person to complete the same job working al
Algebra.Com
Question 891095: Aly can paint a room two hours less than AJ. If they will work together, they can finish the job in 12 hours. How long would it take each person to complete the same job working alone?
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
Aly and A.J., time for A.J. to do the job alone is t.
The description gives rates:
Aly,
A.J.,
Combined Aly & A.J., working together.
The combined rate is simply the sum of their rates.
LCD is , so multiply both sides by this expression.
-
Using decimal approximation
or
-
A.J. could do the job alone in 25 hours.
(More accurately,25.02 hours.)
RELATED QUESTIONS
Koko can paint a room two hours less than Andre. If they will work together, they can... (answered by Edwin McCravy)
One painter can paint a room in 5
hours. Another painter can finish
the job in 8 hours. (answered by solver91311)
A painter can paint a room alone in five hours. An assistant can paint the room alone in (answered by macston)
Working alone, Sue can paint a 10' x 12' rectangular room in 12 hours. Joe can paint the (answered by nerdybill)
Jim can paint a room in 3 hours. Jane can paint the same room in 5 hours. How long will... (answered by richwmiller,stanbon)
one painter can paint a room in 12 hours and another can paint the same room in 10 hours. (answered by ewatrrr)
Nana can paint a room in 6 hours,Harith can do the job in 4 hours,but Angela need 2 hours (answered by greenestamps)
An executive secretary can finish a typing job in 10 hours while an ordinary employee can (answered by Edwin McCravy)
An executive secretary can finish a typing job in 10 hours while an ordinary employee can (answered by richwmiller)