A company has two large computers. The slower computer can send all the company's email in 40 minutes. The faster computer can complete the same job in 10 minutes. If both computers are working together, how long will it take them to do the job?

Question

Mathematics

Maribel Fischer

10 September, 02:54

A company has two large computers. The slower computer can send all the company's email in 40 minutes. The faster computer can complete the same job in 10 minutes. If both computers are working together, how long will it take them to do the job?

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Answers (1)

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Eliza Luna · Answer 1

X = 40 min

y = 10 min

x = 40/60 h - - > x = 4/6 h - - > x = 2/3 h

y = 10/60 h - - > y = 1/6 h

x + y = 2/3 - 1/6

x+y = 4/6 - 1/6

x+y = 3/6 h = 3*60'/6 = 3*10 = 30 min