Question

There are 35 children for every 6 teachers. Using the same child to teacher ratio, how many teachers needed for 140 children?

Answer 1

Answer: 24 teachers

Explanation:

The ratio of children to teacher is 35 : 6 or
`(35)/(6)`. To find how many teachers is needed for 140 children, you would need to use the following equation:

`(35)/(6) = (140)/(x)`.

To solve this, you would need to cross multiply.

`(35)/(6) = (140)/(x)`

35 * x = (140) * (6)

35x = 840

`(35x)/(35) =(840)/(35)` Divide both sides by 35

x = 24

Another way to do it:

`(35)/(6) = (140)/(x)`

`(35x)/(6) = 140` Multiply x to both sides

`35x = 840`

x = 24 Divide both sides by 35

Answer 2

24

Explanation:

35•4=140

6•4=24

140:24