Robbie wants to buy some new comic books for a reasonable price. ComicWorld is selling his favorites for 4 for $6. At Kapow Comics he can get 7 for $8.75. Where can he get the best deal per comic book and how do you know?

Kapow Comics is the best deal per comic book.

Step-by-step explanation:

Given:

At Comic world 4 books =$6

At Kapow Comics 7 books = $8.75

We need to find the best deal per comic book.

Solution:

First we will find the rate of 1 comic book at Comic World.

Now we know that;

4 books = $6

1 book = Cost of 1 comic book.

By using Unitary method we get;

Cost of 1 comic book =

Hence Cost of 1 comic at Comic World is $1.5.

First we will find the rate of 1 comic book at Kapow Comics.

Now we know that;

7 books = $8.75

1 book = Cost of 1 comic book.

By using Unitary method we get;

Cost of 1 comic book =

Hence Cost of 1 comic at Kapow Comics is $1.25.

Now comparing both side we can say that;

Cost of 1 book is Less at Kapow comics than at Comic World.

Hence Kapow Comics is the best deal per comic book.

hi there!

the answer will be d: 2

b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation: