Apply Rectangle Area and Perimeter Formulas Practice Test

Emma is measuring a rectangular classroom floor. The area is 96 square feet, and the length is 12 feet. The area formula is $A = L \times W$. What is the width of the classroom?

A rectangular garden bed has a perimeter of 48 feet. The width is 10 feet. Remember: perimeter $= 2 \times$ length $+ 2 \times$ width. What is the length?