It seems like you have the answer already. but heres how its calculated.
so the missing number is 20 **cross multiply 100 and 3 to get 300 then divide 15 into 300 to get 20**
so the missing number is 50
**cross multiply 100 and 80 to get 8000 then divide 160<span> into 8000 to get 50**</span>
Answer:

Step-by-step explanation:
Given


Required
A function that represents the total resale value of the two vehicles
To do this, we simply add up the functions


Factorize

