Math
In a play school, there are 16 red balls and the rest are white balls. The ratio of red balls to white balls is 4 : 5. Find the number of white balls.

Asked by
AnneS2
Last updated by
anonymous
4 =16
5 x
(x)(4)=(5)(16)
(x)(4)/4=(5)(16)/4
x==(5)(16)/4
x=20