SOLUTION: If Vinny can build a sandbox three times as fast as Eric, and they can build a sandbox together in 12 hours, how long would it take each on them to build a sandbox alone?

SOLUTION: If Vinny can build a sandbox three times as fast as Eric, and they can build a sandbox together in 12 hours, how long would it take each on them to build a sandbox alone?

Algebra.Com

Question 863168: If Vinny can build a sandbox three times as fast as Eric, and they can build a sandbox together in 12 hours, how long would it take each on them to build a sandbox alone?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/x+1/3x=1/12
3/3x+1/3x=1/12
4/3x=1/12
Eric 3x=48
Vinny x=16

RELATED QUESTIONS
If Peter can build a sandbox five times as fast as Gene, and they can build a sandbox... (answered by josgarithmetic,MathTherapy)

A carpenter can build a tool shed three times as fast as his apprentice. Working... (answered by richwmiller)

A carpenter can build 15 toolsheds three times as fast as his apprentice. Working... (answered by TimothyLamb,josgarithmetic)

Dave can build a set of cabinets in 5 hours. It would take Alan twice as long as Eric to... (answered by solver91311,lwsshak3)

An experienced bricklayer can build a wall three times as fast as an apprentice... (answered by josgarithmetic)

Dave builds a set of cabinets in 5 hours. It would take Alan twice as long as Eric to... (answered by solver91311)

Patricia and chelsea can build a bike together in an hour and a half. However, if... (answered by palanisamy,richwmiller)

Avanti is creating a pyramid in her sandbox. The largest slope she can create out of the (answered by Boreal)

A mason can build a wall in 10 hours. An apprentice can build a wall in 15 hours. How... (answered by checkley77)