A4. Anka brought a basket of apples and oranges to a birthday party. The guests ate half of all the apples and a third of all the oranges. How much fruit is left in the basket?
(A) Half of all the fruit.
(B) More than half of the fruit.
(C) Less than half of all the fruit.
(D) A third of all the fruit.
(E) Less than a third of the fruit.
A4. Anka brought $x$ oranges and $y$ apples in the basket. After the party, $\frac{x}{2}+\frac{2 y}{3}=\frac{3 x+4 y}{6}$ fruits were left, which is more than half of the brought fruits, since $\frac{3 x+4 y}{6}>\frac{3(x+y)}{6}$.