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Chapter 3: Q. 3.91 (page 371)

The length of a rectangle is eight more than twice the width. The perimeter is 64. Find the length and width.

Short Answer

Expert verified

Width is 8and length is24.

Step by step solution

01

Step 1. Given information

Length of rectangle is eight more than twice the width. The perimeter is 64

02

Step 2. Finding unknown

Let the width of rectangle is b=x

Therefore the length is l=2x+8

According to question,

2(l+b)=642(8+2x+x)=642(8+3x)=6416+6x=646x=48x=8=b

Now the length is

l=2x+8=2脳8+8=24

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