SOLUTION: A business report for a company can be printed in 55 minutes by one machine. A second machine can print the report in 66 minutes. How long will it take to print the report with bot

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Question 188565: A business report for a company can be printed in 55 minutes by one machine. A second machine can print the report in 66 minutes. How long will it take to print the report with both machines operating?
Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!


Given:
Then putting into eqn:
%281%2F55%29%2B%281%2F66%29=1%2Fx
%2866%2B55%29%2F3630=1%2Fx
x%2866%2B55%29=3630%2A1
121%28x%29=3630 ----> cross%28121%29x%2Fcross%28121%29=cross%283639%2930%2Fcross%28121%29
highlight%28x=30mins%29, Answer

Thank you,
Jojo