3. 3 persons, working 8 h a day, can build a wall in 2 days. How many hours a day must 4 person
work to complete the same wall in 1 day?
Answers
Answered by
2
Answer:
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Step-by-step explanation:
24 men working 8 hrs / day can do a piece in 15 days
∴ Total work units =24×8×15
=2880
No.of days required by 20 men, working at
a hrs/day=
20×9
2880
16 days
Answered by
0
Answer:
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Step-by-step explanation:
3 person can build in 2 days working 8 h per day
1 || || || || 1 || || (8×2×3) || ||
4 || || || 1 || || (8×2×3)/4 h per day
= 12hper day
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