14000+7x=35x (x being the number of books) solve for x and you have your answer. 14000=35x-7x=28x therefore x=14000/28=500 so he needs to sell 500 books before he breaks even.
Answer: Okay the numbers you put was confusing but I think I got it.
42÷6=x
Step-by-step explanation:if 6 can sit a a table then dividing the number of people by 6 gives the answer.
Answer:
For what value of the constant c is the function f continuous on (-infinity, infinity)?
f(x)
=cx2 + 8x if x < 3
=x3 ? cx if x ? 3
Step-by-step explanation:
15,99*5=79.95
The answer is 79,95 $