### Home > PC > Chapter 2 > Lesson 2.3.5 > Problem2-129

2-129.

Find the width of each rectangle for the interval and the given number of rectangles.

$\text{width }=\frac{\text{length of interval}}{\text{number of rectangles}}$

1. $0\le x\le5$ with $20$ rectangles

1. $1\le x\le10$ with $25$ rectangles

1. $-3\le x\le5$ with $100$ rectangles

1. $B\le x\le E$ with $N$ rectangles