SAT Math Practice Question #17241 - SATify | SATify
#17241
expressions
algebra
medium
90 sec
The expression 90y5−54y4 is equivalent to ry4(15y−9), where r is a constant. What is the value of r ?
• 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.
