In a week, the parlor would make about $300 from milkshakes
The total amount the ice cream parlor makes in a week is dependent is the product of the number of days in a week , the number of milkshakes sold in a day and the price of a milkshake.
Total amount = number of milkshakes sold in a week x price of a milkshake
There are 7 days in a week, in a week the parlor would sell : 11 x 7 = 77 milkshakes
price of a milkshake = $3.99
77 x $3.99 = $307.23
A similar question was solved here: brainly.com/question/14090575?referrer=searchResults
Answer:
Given that:

where
L(t) represents the length of each day(in minutes) and t represents the number of days.
Substitute the value of L(t) = 750 minutes we get;

Subtract 728 from both sides we get;

Divide both sides by 52 we get;

or

Simplify:

or

Simplify:
days
Therefore, the first day after the spring equinox that the day length is 750 minutes, is 25 days
I think it's D but I'm not %100 sure