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 7th grade?
The answer to your question is 85 7th graders.How is it 85?
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
17:23....added = 40
17/40(200) = 3400/40 = 85 (7th graders)
23/40(200) = 4600/40 = 115 (8th graders)