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OpenStudy (anonymous):
One computer can process the income and payroll of a company in 7 hours. A newer computer can process it in 5 hours. Which equation could be used to find how long it will take to process the income and payroll if both computers are used? a. 1/7 - 1/5 = 1/x b. 1/x - 1/7 = 1/5 c. 1/7 + 1/x =1/5 d. 1/7 + 1/5 = 1/x the answer is A?.... or D? i feel strongly that it is a
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OpenStudy (anonymous):
It is D
OpenStudy (anonymous):
why is that @AwesomeB ?
OpenStudy (anonymous):
|dw:1375310536492:dw|
OpenStudy (anonymous):
|dw:1375310557693:dw|
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