Question

Sally is buying tiles for her bathroom floor. Each tile is 1 foot by 1 foot. Her bathroom floor measures 20 feet by 7 feet.

How many tiles will she need?

Answer 1

Sally needs

140 tiles

Explanation:

Area of each tile = 1ft * 1ft = 1ft²

Area of the bathroom floor = 20ft * 7ft = 140ft²

Then:

140ft² / 1ft² = 140

Answer 2

i think if i did my math right its 140