1. The ratio of students in 8th grade that preferred math to science is 6:4. If there are 72 students that
preferred science, what is the total number of
students in 8th grade?
a. 180 students
b. 225 students
c. 130 students
d. 245 students
21 Illuminate Education Inc.

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?