Rachel is making a planter box. If her box measures 345 inches long and 543 inches wide, how many inches of board will she needs?

Rachel needs 1776 inches of board

Solution:

Given that, Rachel is making a planter box

Her box measures 345 inches long and 543 inches wide

Length = 345 inches

Width = 543 inches

To find: Inches of board she needs

So we need to find the perimeter of the board

The board is usually of rectangular shape

Perimeter of rectangle is given as:

Perimeter = 2 (length + width)

Perimeter = 2 (345 + 543)

Perimeter = 2 (888)

Perimeter = 1776

Thus she needs 1776 inches of board