57.1k views
3 votes
The area of the postcard is 24 square inches. What is the width b of the message (in inches)?

also whats the equation

User Karee
by
6.1k points

1 Answer

4 votes

Answer:

Equation to get b:

24 = 4 × (3+b)

Value of b:

b = 3 in

Step-by-step explanation:

The image associated with this question is attached below

We know that the area of the rectangle is the product of its length and width

This means that:

Area of rectangle = length × width

We are given that:

length of postcard = 4 in

width of postcard = (3+b) in

area of postcard = 24 in²

Substitute with these givens in the equation and solve for b:

Area of postcard = length × width

24 = 4 × (3+b)

24 = 12 + 4b

24 - 12 = 4b

12 = 4b

b = 3 in

Hope this helps :)

The area of the postcard is 24 square inches. What is the width b of the message (in-example-1
User Pfirpfel
by
6.9k points