Math
posted by Sarah .
At a college basketball game, the ratio of the number of freshmen who attended to the number of juniors who attended was 3 to 4. The ratio of the number of juniors who attended to the number of seniors who attended was 7 to 6. What was the ratio of the freshman to the number is senioa who attended the basketball game?

7*4=28
3*7=21
6*4=24
21:24=ratio