Explanation:
1 is 8:12 because yellow:total apples
2 is 6:14 because yellow:total
3 is a and b I think
4 is 9:20
5 is b and d
hope this helps ;)
all you do for ratios is put the numbers together like 30 banana's and 20 grapes what is the ratio of banana's to total pieces of fruit the answer would be 30:50 or 30 to 50 and there is one more way you can put it