Cole, Griffin, and Jacob were the top three winners in the essay writing contest. They shared a cash prize in the ratio 1:5:6. Jacob received $18. How much more money did Griffin receive than Cole?
Cole : Griffin : Jacob = 1:5:6 = x : 5x : 6x
given .... 6x = 18
x = 3
so Cole : Griffin : Jacob = 3 : 15 : 18
state your conclusion