SOLUTION: working together; two dock worker can load a crate in 6 min. one dock worker; working alone, canload the crate in 15 min, how long would it take the second dock worker; working alo

Algebra ->  Rate-of-work-word-problems -> SOLUTION: working together; two dock worker can load a crate in 6 min. one dock worker; working alone, canload the crate in 15 min, how long would it take the second dock worker; working alo      Log On


   



Question 82985This question is from textbook introductory algebra
: working together; two dock worker can load a crate in 6 min. one dock worker; working alone, canload the crate in 15 min, how long would it take the second dock worker; working alone, to load the crate? This question is from textbook introductory algebra

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
15x/(15+x)=6
15x=6(15+x)
15x=90+6x
15x-6x=90
9x=90
x=90/9
x=10 answer for the time for the second worker.