14. Class A has 7 children, Class B has 10 children. Now there are 100 apples to be distributed between Class A and Class B. How many apples should each class get so that each child in Class A gets the same number of apples, and each child in Class B also gets the same number of apples.
14. $7 x+10 y=100$. Class A gets 70, Class B gets 30.