Question

if two men can complete a job in 6 hours , how long will it take three men to complete it?


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Answer 1

Question ✍️✍️:-

if two men can complete a job in 6 hours , how long will it take three men to complete it?

Answer ✍️✍️:-

9 hours. There are two variables but only one constant.

6 / 3 =2

therefore 1 man is 2 hours worth

2 men 4 hours worth

3 men 6 hours worth

However the constant can have a reverse meaning

4 men 2 hours worth

6 men 3 hours worth

Using this one we can factor by 3

6/3 = 2 Which satisfies the solution therefore 3*3 = 9

Ans = 9 hours by 2 people.

Answer 2

Answer:

two men complete a job = 6 hours

Three men complete a job = 6/2 = 3 hours

Therefore 1 man worth 3 hours

2 man 6 hours worth

3 man 9 hours worth

it takes three men to complete the job = 3 * 9 = 2 man * x

= 27/2 = x

x =13.5 hours .

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