the ratio of 7th grade students to 8th grade students in a soccer league is 17:23 if there are 200 students in all how many are in the 7th grade
A ratio of 17 : 23 means there are 40 equal parts
So (17/40) * 200 = 85 7th graders
And (23/40) * 200 = 115 8th graders