You have 5/6 cup of cocoa in your cupboard. a recipe for cookies calls for 2/5 cup of cocoa. how much cocoa would you have left if you made the cookies?

.632

step-by-step explanation:

6 * 1/10 = 3/5

3*0.01 = 0.03

3/5 + 0.03 = .63

2*0.002 = .002

.63 + 0.002 = .632

no idea how or if it wants you to round, but there are 2.18 students per teacher(if you meant 3 and not 33 it would be 24 students per teach), 11 students per tutor, and you would need 12 tutors for 132 students.