The 8 fourth grade classes are having a food festival. Each class brings in dishes from a different country. One class brought in food from Canada, one brought in food from United States, and one from Mexico. What fraction of classes brought in food from North America?
1/8
2/8
3/8
4/8
A chorus is made up of 3/10 sopranos, 2/10 altos, 2/10 tenors, 2/10 baritones, and 1/10 basses. What fraction (in simplest form) of the chorus consists of sopranos, tenors and basses?
6/8
6/5
3/5
4/5