Answer:
50 apples
Step-by-step explanation:
Firstly,you need to find the total apples delivered by multiplying 42 with 12 as there are 42 apples in each crate and the sent 12 crates to the factory
Then,the answer you get you have to minus with 4 as 4 apples are rotten
Answer obtained then divided by 10 to get the total boxes needed to pack the apples
Hope this help!