Question

The length of a rectangle is four times the width. The perimeter of the rectangle is 45 inches. Write a system of equations that represents this problem. What is the area of the rectangle?

Answer 1

Answer:

let,

length=x

Breadth=y

Step-by-step explanation:

By the given conditions

X=4 y... I

x+y=45....II

now solve the above equations you get answer

Answer 2

Step-by-step explanation:

l=4b

2(l+b)=45

2(5b)=45

b=4.5 inches

l=4×4.5

=18inches

Area

=lb

=4.5×18

=81 inches ^2

Hope it helps you

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