Answered

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rita and neha can do certain work indivisually in 20 hours and 25 hours. how much time will it take to complete the work together

Sagot :

Answer:

11.11 hours

Step-by-step explanation:

Rita = 20 hours

Neha = 25 hours

Let the time that they can complete the work together be written as x

1/20 + 1/25 = 1/x

Lowest Common Denominator is 500

25 + 20/500 = 1/x

45/500 = 1/x

Cross Multiply

45x = 500

x = 500/45

x = 11.111111111 hours

Approximately = 11.11 hours

Therefore, it would take Rita and Neha 11.11 hours to complete the work together.

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