that's a tricky questions!
4/9 are apples
so 5/9 are not apples
1/7 of the the not apple fruit are oranges so
1/7 * 5/9 are oranges
5/63 are oranges
5/63 of the total fruit is 180
5/63 * T = 180
T = 180 * 63 / 5
Total number of fruit is ?? You finish it and then check your answer by seeing if each part of the question is true. I haven't checked. I might have made a mistake.