Question

The ratio of adults to children is 8:5 of 390 people

Answer 1

This ratio can be written as 8x+5x =390 Add the variables 13x = 390 Divide by 13 to get the value of x 390/13 = 30

Answer 2

Number of adult = 240 and Number of child = 150.

Explanation:

Given : The ratio of adults to children is 8:5 of 390 people.

To find : find number of adult and children.

Solution : We have given

Ratio of adults to children is 8:5.

Let the number = x

Then number of adult = 8x .

Number of children = 5x .

Total = 8x +5x = 13x

Number of adult =
`(8x)/(13x)* 390`.

Number of adult = 240 .

Number of child =
`(5x)/(13x)* 390`.

Number of child = 150.

Therefore, Number of adult = 240 and Number of child = 150.