Please help meee! :< An author receives $0.60 for each hardcover book or paperback book that is sold. There were x hardcover
books and 38,000 paperback books sold of her most recent book. The author received a total of $51,000 for the book sales. The equation below can be used to determine the number of hardcover books that were sold. 0.60(x + 38,000) = 51,000 How many hardcover books were sold? .
A) 13,000
.
B) 28,200
.
C) 30,000
.
D) 47,000
We are given with the formula p = 200k - 500 a) The constraint for this formula is obtained from the idea that the profit must be positive 200k - 500 > 0 k > 500/200 k > 2.5 b) To make 14000 profit 14000 = 200k - 500 k = 72.5 or 73 knives must be sold
