LCM(4,7,8,9) = 504
5:4 = 630:504
7:8 = 504:576
9:7 = 576:448
So, we have the class ratios in the sequence
630:504:576:448
Add those up and you have 2158
Freshman:Sophmore = 5:4
Sophmore:Juniors = 7:8
Juniors:Seniors = 9:7
The total is 2158, what is the amount of each grade?
So far, I got 35:32:224/9 for Freshman:Sophmore:Seniors
I don't know if I'm correct, or what I'm doing. Can you please give me help and explain? thanks so much
1 answer
1 answer