c. If Biff is rational, and has no intention of winning the hot dog eating contest, what is the optimal number of hot dogs he will eat

8 units of Hot dog

Step-by-step explanation:

Total utility refers to the utility in which the is satisfaction after consuming the multiple units from a good or a service

As we can see from the attached figure that at the number of 8 hot dogs the total utility is maximum i.e 55

Therefore in the given case, the optimal number of hot dogs he will eat is 8 as at this point the total utility is more as compared to the other utilities

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

the diver is 33 feet below the surface.

step-by-step explanation:

hope this