Question

The length of a rectangle is 3 centimeters more than 3 times the width. if the perimeter of the rectangle is 46 centimeters, write a system of equations to describe this situation. use the variable w to represent the width of the rectangle in the equations.

Answer 1

The perimeter of a rectangle is the sum of it's sides. If we know that l = 3w +3, we can plug it into P = 2l + 2w.