SOLUTION: Linda can stuff 1000 envelopes in 6 hours. If Laura helps her, they can both stuff 1000 envelopes in 5 ½ hours. How long would it take Laura to stuff 1000 envelopes by herself

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Linda can stuff 1000 envelopes in 6 hours. If Laura helps her, they can both stuff 1000 envelopes in 5 ½ hours. How long would it take Laura to stuff 1000 envelopes by herself      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 302427: Linda can stuff 1000 envelopes in 6 hours. If Laura helps her, they can both stuff 1000 envelopes in 5 ½ hours. How long would it take Laura to stuff 1000 envelopes by herself
Found 2 solutions by richwmiller, scott8148:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
5.5/6+5.5/x=1
Obviously Laura doesn't do much. Since Linda only saves 1/2 hour with Laura's help.
5.5/x=.5/6
divide by .5
11/x=1/6
66=x
x=66 hours

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
in the 5½ hours, Linda stuffs 11/12 of the envelopes [(5½)/6]

Laura stuffs 1/12 in 5½ hrs, so it would take her 66 hrs to stuff them all, by herself