Answer:
see below
Explanation:
There are 6 green apples and 9 red apples in a basket.
(a) What is the ratio of all apples in the basket to red apples?
All apples 6+9 = 15
all apples: red apples
15 : 9
Divide each side by 3
15/3 : 9/3
5 : 3
The ratio is 5:3
(b) What is the ratio of green apples to all apples in the basket?
green: all
6 : 15
Divide each side by 3
6/3 : 15/3
2: 5
The ratio is 2:5