7/8 + 7/12 = 35/24 = 1 11/24
The extra amount that Mary would pay for apples under a monopoly instead of perfect competition is B. $3
<h3>Calculations and Parameters:</h3>
From the complete information,
There are images of the prices that can be gotten under a monopoly and the ones that can be gotten in a perfect competition by Mary.
The marginal cost which is graphed against the pound of apples and the price shows Mary would pay $15 and the marginal revenue shows that Mary would pay $12.
Hence, the difference between them, which is the extra amount to be paid would be $15-$12
=$3
Read more about perfect competition here:
brainly.com/question/3914700
#SPJ4
The total amount that was spent is $6099
<h3>How to determine the total amount that was spent?</h3>
The given parameters are
Number of kids = 99
Pass = $56 per kid
Arcade game = $555
The total amount that was spent is calculated as
Total = Number of kids * Pass + Arcade game
So, we have
Total = 99 * 56 + 555
Evaluate the expression
Total = 6099
Hence, the total amount that was spent is $6099
Read more about expressions at
brainly.com/question/723406
#SPJ1
Answer: C (Euclid is known as the Father of Geometry)
1.50 that should be it and i dont know how to show my work on a computer SORRY.