SOLUTION: A can copy 80 pages in 16 hrs
A+B can copy 133 pages in 19 hrs .
in how many days b copy 52 pages?
Algebra.Com
Question 904384: A can copy 80 pages in 16 hrs
A+B can copy 133 pages in 19 hrs .
in how many days b copy 52 pages?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
80/16=5
1/5+1/b=133/19
1/b=133/19-1/5
1/b=68/10
b=10/68
52*10/68=520/68=7.65 hours
7.65/24=0.32 24 hour days
7.65/8=.96 8 hour days
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