What you need to do is subtraction then adding
3 divided by 1 would be the answer
To solve for the equivalent price in units of per square feet, we all need to convert the given units from per square yard to per square feet. We will calculate as to what follows:
<span>$11 per square yard ( 1 yard per 3 feet )^2 = $0.14 per square feet
90 square feet (</span>$0.14 per square feet) = $12.22