If 12 men take 4 hours to complete ajob,how long should it take for 15 men to complete it
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Answer:
Step-by-step explanation:
Number of workers ( x ) is
inverse proportional to working hours ( y )
x1 = 12 , y1 = 4
x2 = 15 , y2 = ?
x2 y2 = x1 y1
15 × y2 = 12 × 4
y2 = ( 12 × 4 ) /15
y2 = 16/5
y2 = 3.2 hours
Answered by
1
Answer: have a look at the picture:
Step-by-step explanation:
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monalisaborah48:
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