The ratio of apples to oranges is 4:5. I have 200 apples and oranges total. How many are apples?

Answer 1

4/5=A/(200-A)

800-4A=5A
9A=800
A= 800/9 =89
O= 200-89=111

Answer 2

The ratio of pears to apple to oranges is 7:8:10. How many apples should there be when there is pieces of fruit is 500