A contractor decides that he can build a barn in nine weeks using four men. If he employs two more men, how long will the job ta ke? Assume that all the men work at the same rate.
1 answer:
Answer: 6weeks
Step-by-step explanation:
If it takes 4 men, 9 weeks to build a barn.
It will take a man; 4 x 9weeks =36 weeks to make a barn
If it takes a man 36weeks to make a barn, it will take 4men + 2 men i.e 6men = 36/6
6 weeks to make a barn
You might be interested in
In this equation there are few key numbers, thankfully XD , so it does not take too long to figure out that the 0.04 is clearly a tax on the repairs as 30h is representing the hours spent repairing Kimber's phone.
Number of students selected from University A:Option D is correct.
Answer:
4,400,073
Step-by-step explanation:
Ez
Your answer would be (w+2)(w−10). If you want me to explain please don't hesitate to ask.
Answer:
d
Step-by-step explanation:
