Answer:
27 females are in the class
Step-by-step explanation:
Spilt 30 into 10 (30 divided by 10) and then you get 3. The number of males in the class is 3. Now subtract 30 from 3 and you get 27. Therefore, there are 27 females in the class.
it would be equation c, since you are you going upstream and the current would be going down stream
24 glasses would be needed to fill up a 3 liter jub