I ordered some books online for myself and friends.
Each book costs $13 and the store charges a flat rate for shipping of $20.
Write an expression for the cost of buying n books.

13n+20

Step-by-step explanation:

If 20 is the flat rate, then you dont put x to it. X is how many books you are going to get and 13 is how much you have to pay for each book. If that makes sense.

Brainliest?

The expression will be the price per book times the amount of books, n, plus the shipping rate.

13n + 20

I hope this helps :)

75

step-by-step explanation:

you do x-29=46 (the number of cantaloupes sold)

in order to find x, you have to find what minus 29 equals 46, meaning you'd have to add 29 to 46.

29+46=75

if you replace x with 75, the equation looks like:

75-29=46

x=75

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

eventually after a few more steps, your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x