SAT Math Practice Question #33089 - SATify | SATify
#33089
rectangles
perimeter
functions
hard
90 sec
A rectangular billboard has a length of x feet. The perimeter of the billboard is given by the function P(x)=2x+30 feet. If the area of the billboard is 150 square feet, what is the length x 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.