SOLUTION: One grocery clerk can stock the shelf in 15 minutes where as a second clerk requires 30 minutes to stock the same shelf how long would it take to stock the shelf if the two clerk

Algebra ->  Rate-of-work-word-problems -> SOLUTION: One grocery clerk can stock the shelf in 15 minutes where as a second clerk requires 30 minutes to stock the same shelf how long would it take to stock the shelf if the two clerk       Log On


   



Question 1085290: One grocery clerk can stock the shelf in 15 minutes where as a second clerk requires 30 minutes to stock the same shelf how long would it take to stock the shelf if the two clerk work together
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
in 1 minute clerk can do 1/15 and the other 1/30
together it is x/15+x/30=1 full shelf
multiply everything by 30
2x+x=30
3x=30
x=10 minutes total
10/15 is 2/3 by 1 and 10/30 is 1/3 by other.