Question

On Monday 3.6 cm of rain fell in 4 and 1/2 hours what was the average amount of rainfall per hour

Answer 1

3.6 cm rain total, 4.5 hours.

3.6/4.5 = .8

.8 cm rain per hour

Answer 2

We can find out the average amount of rainfall per hour by using the formula:

`Average rainfall =(cm of rainfall)/(time taken)`

So we are given that 3.6 cm of rain fell in 4 and 1/2 hours.

4 and half hours is 4.5 hours in decimal.

So plugging these in the formula above to find average rainfall,

`Average rainfall =(3.6l)/(4.5)`

So dividing 3.6 by 4.5 we get ,

Average amount of rainfall is 0.8 cm / hour.

Answer: The average rainfall is 0.8 cm per hour.