SOLUTION: I man can paint a house in 6 days and his son in 12 days. How many days will it take them if they painted it together?
Algebra.Com
Question 306566: I man can paint a house in 6 days and his son in 12 days. How many days will it take them if they painted it together?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
I man can paint a house in 6 days and his son in 12 days.
How many days will it take them if they painted it together?
:
Let t = time required when doing the job together
:
Let the completed job = 1
:
Each will do a fraction of the job, the two fractions add up to 1
:
+ = 1
multiply by 12 to clear the denominators, results:
2t + t = 12
3t = 12
t =
t = 4 days together
;
:
Check it
4/6 + 4/12 = 1
RELATED QUESTIONS
a man paint a house in 4 days and his son paint the house in 6 days. how many days will... (answered by josgarithmetic,ikleyn)
if berna can paint the house in 12 days and dette can paint the house in 16 days, how... (answered by Cromlix)
A man can paint his home in 6 days. His sone can do the same job in 12 days. How long... (answered by checkley77)
a man paint a house in 2 days while his son paint the same house in 4 days. how many days (answered by vleith)
Tyrin can paint a house in 4 days. Tahjai can paint the same house in 5 days. How many... (answered by bonster)
A man can paint a certain house in 5 days. He and his brother can do the job together in... (answered by josgarithmetic,ikleyn)
If one painter can paint a house in 5 days and another painter can paint the same house... (answered by ewatrrr)
alone. How long would it take each of them to paint the house alone?A man and his son... (answered by stanbon)
Fred can paint a house in 12 days and John can paint a house in 17 days. If they start... (answered by richwmiller)