One square yard equals 
. Use this information to converts 153 to square yards.
Solution
To convert from square feet to square yards, divide the number of square feet by the number of square feet per square yard.
There are 9 square feet for every square yard.
From the previous step, it is known that 9 = 1 
. Now to convert square feet to square yards, divide the number of square feet by 9.
153 = 
=17
Therefore, 153 = 17