Question

You are decorating your bedroom. To get the paint colour you want, you mix 2 parts red with 3 parts cream and 1 part blue.

How much cream and blue paint will you need to mix with 4 litres of red?

Answer 1

4L Red = 2 parts
Divide both sides by 2 to get 1 part equal to 2L
3 parts Cream = 3 x 2 = 6 L
1 part Blue = 1 x 2 = 2 L

Answer 2

So far the equation is=
R-C-B
2-3-1= This is ratio. Is u times 2 by 2 u will get 4 like this:
4-?-?= This is what u need to find out so, all u need to do is do the same to cream and blue, like this:
4-6-2.
So that is ur result