The monthly rent for a pizza parlor is $1,200. The average production cost per pizza is $6.75. The monthly expenses for the pizza parlor are gli by the function E(r) 1,200 + 6.75x, where x Is the number of pizzas sold. For xpizzas sold, the pizza parlor's revenue is given by the function R(x) = 12.5% The monthly profit of the pizza parlor is the difference between its revenue and its expenses. Which function represents the monthly profit, ? P Р A. P(x) = 6.25x - 1,200
B. P(x) P(X) = 5.753 – 1,200
C. P(t) = 5.751. + 1,200
D. P(X) 1,200 + 19.25x​

1.  If Sam runs 2 miles in 1/3 of an hour, he runs 6 miles in an hour, so in 4/5 of an hour he runs 24/5 miles, or 4.8 miles.  E is the correct answer.

2.  With 568 books, 21 shelves will be completely filled before we have under 26 books left.  We then have 22 books left, so the last shelf contains 22 books.  B is the correct answer.

3.  We can add 5 to both sides to get 20 < 2x, so we have 10 < x, or x > 10.  D is the correct answer.

4.  John is currently x+3 years old.  In 6 years, he will be x+3+6=x+9 years old.  E is the correct answer.

5.  The corduroy suit now costs (100)(1-.05)=95 dollars, and the wool suit costs (300)(100+.1)=330 dollars.  The sum is thus 425 dollars.  D is the correct answer.