Divide the total area by the area of one tile.
(7 * 6.4)/(.2 * .2) = ___
I suspect a typo
How many square tiles that measure 0.2m by 0.2m are needed to cover a patio deck that measures 7m by 6.4m?
A. 45
B. 112
C. 120
D. 180
1 answer