1 apple weighs x gram

Question

1 banana weighs y gram; y> x
1 orange weighs z grams
A magician can combine 1 apple and one banana to make one orange. The magician is given 57 grams of apples and 57 grams of bananas. what is the theoretical yield? (i.e theoretically what is the mass of the oranges?

Answer 1

well, there are 57/y bananas
That means there must be only 57/y apples, so the result will be

57/y oranges, each having mass x+y

so, the mass of oranges will be

57(x+y)/y = 57(1+x/y) grams