Six men take five days to complete a job. How long would
the same job take fifteen men?
1 answer:
Answer:
2 days
Step-by-step explanation:
Understanding :
- Number of men is inversely proportional to the number of days taken to complete a job
- 6 men take 5 days to complete 1
- Now the number of men is 15
Solving :
- Rate of change of men ∝ 1/Rate of change of days
- 15/6 ∝ 1/(d/5)
- 2.5 = 5/d
- d = 2 days
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Answer:
triangle = (11×16)/2 =88
square = 16× 19 = 304
add them up =392 in^2
4x²-5=3x+4
4x²-3x-9=0
x=(3±√((-3)²-4*4*-9))/2*4
x=3±√(9+144) /8
x=(3±√153) /8
x=⅜±√153/8
Answer:for 5
Step-by-step explanation:1,5
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