If 6 people working 5 hours a day can complete a piece of work in 15 days.How many days will 10 people working 7 hours a day take to complete the same task?
Answers
Answered by
0
Answer:
Answer is 1 whole 5/9 hrs
Step-by-step explanation:
6 x 5 +15=7 x 10 x y
=30+15=7 x 10 x y
=45=7 x 10 x y
⇒y=45/70
⇒y=14/9
y=1 whole 5/9 hrs
Hope it helps you
Answered by
0
Answer: 7 days
Step-by-step explanation:
6 people in 5 hour can complete a work in 15 days
1 people in 5 hour can complete a work in 15×6=90 days
daily 5 hour work can complete a work in 90 days
daily 1 hour work can complete a work in 5×90 days
daily 7 hour work can complete the work in (5×90)/7 days
1 people in 7 hour can complete the work in (5×90)/7 days
10 people in 7 hour can complete the work in 5×90/7×10=6.42days
or, 7 days
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