75 square feet of tile for $126
To find unit rate , we find the the cost for 1 square feet
Unit rate is cost in dollars per square feet. Unit rate means for one square feet.
75 square feet = $126
1 square feet = [tex]\frac{126}{75}[/tex] = 1.68
1 square feet = $1.68
Hence , the unit rate is 1.68 dollars per square feet