Answer:
The number of unit of product A that can be delivered to customers at the start of next week is 31
Step-by-step explanation:
There are 18 A products currently with 40 B products, which can give 40/3 = 13 A products.
50 C product can give 50/2 = 25 A products
and
35 D products can give35 A products.
B is a constraints.
Therefore a maximum of 13 A products can be made with stocks at hand.
Which implies the number of A products that can be delivered at the start of next week =
18 + 13 = 31(A Products)