SOLUTION: elsa can complete a typing job in six hours. She was given a helper and together they finish the job in only four days. How long would it take the helper had he worked alone

Question 397942: elsa can complete a typing job in six hours. She was given a helper and together they finish the job in only four days. How long would it take the helper had he worked alone
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
elsa can complete a typing job in six hours. She was given a helper and together they finish the job in only four hours. How long would it take the helper had he worked alone
------
Elsa rate = 1/6 job/hr
Helper's rate = 1/x job/hr
Together rate = 1/4 job/hr
--------------------------------
Equation:
rate + rate = together rate
1/6 + 1/x = 1/4
---
Multiply thru by 12x to get:
2x + 12 = 3x
x = 12 hrs (time for helper to do job alone)
==============================
Cheers,
Stan H.
RELATED QUESTIONS
Elisa can complete a typing job in 6 hours. She was given a helper and together they... (answered by Alan3354)

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)

Ezra can type a research paper in 8 hours. Micah helped Ezra in typing,and together... (answered by Theo)

Working alone, a painter can paint a small apartment in 10 hours. Her helper can paint... (answered by Fombitz)

Please help me solve these problems. I did them but the answer I'm getting seems way off. (answered by ankor@dixie-net.com)

A painter works on a job for 10 days and then is joined by a helper. Together they... (answered by ankor@dixie-net.com)

A painter works on a job for 10 days and is then joined by her helper. Together they... (answered by ankor@dixie-net.com)