SAT Math Practice Question #33359 - SATify | SATify
#33359
rectangles
area
geometry
hard
120 sec
A rectangular swimming pool measures 20 feet (ft) by 30 feet (ft). A concrete deck of uniform width is built around the pool. If the total area of the pool and the deck combined is 816 square feet (ft2), what is the width of the deck in feet?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.