Question

the length of a rectangle is 4 units more than it's width.The area of a rectangle is 25 more than 4 times the width.What is the width of the rectangle​

Answer 1

solution,

let width of the rectangle be x then,

length(l)=4x

Area(A)=25l

now,

area of rectangle = 4x×x

1. 25×(4x)= 4x square
2. 100x= 4xsquare
3. x=25 units

Explanation:

in 2nd step one x cancel another in opposite side of =