Question

5. Thirty men take 20 days to complete a job working 9 hrs a day. How many hours a day should 40 Men work to complete the job?

Answer 1

How many hours is the job altogether?

Answer 2

You can use ratios. Do you know how?

Answer 3

please help on how to use the ratios

Answer 4

Takes 30*20*9 = 5400 hours to do the job

So now u want 40 * 20 * x = 5400

Answer 5

Define ratios in your own words first, so that I can see that you know what it means?

Answer 6

Do you know what ratios are?

Answer 7

I am trying to teach you, not just get excited and give out answers like most do so if you don't know the reply to what I ask, then simply tell me.

Answer 8

Eg 30:20:9 and 40:20:w

Answer 9

Actually you don't need ratios. Do what estudier said above. That should work. Try it.

Answer 10

Calculus and estudier thank you

Answer 11

yw