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LekaFEV [45]
3 years ago
11

7 indian and 4 chinese finish a job in 5 days. 7 japanese and 3 chinese finish the same job in 7 days. given that the efficiency

of each person of a particular nationality is same but different from others.one chinese,one indian and one japanese will complete the work in
Mathematics
1 answer:
Vikentia [17]3 years ago
3 0
The answer is
20 7/12

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Answer:

(x-1)(x-4)

Step-by-step explanation:

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6.4 minutes, or 6 minutes and 24 seconds

Step-by-step explanation:

She is running 4 laps, so she is running 1600 meters total.  If she runs 250 meters per minute, divide 1600 by 250 to determine how many minutes it will take...

1600/250  =  6.4

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Answer:

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Step-by-step explanation:

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