Answer:
21
Step-by-step explanation:
The computation of the utility for that week is as follows:
Given that
There are three packs
Also it is for seven days
u(x,y) = min(3x,y)
C = 1
x = 1
y = 3
So,
u = min(3,3)
= 3
For 7 days it would be
= 7 × 3
= 21
Hence, the utility for that week is 21