SAT Math Practice Question #37877 - SATify | SATify
#37877
quantities
arithmetic
statistics
data analysis
average
arithmetic mean
medium
45 sec
Calculator OK
The mean of four numbers is 12. If three of the numbers are 10,15, and 8, what is the fourth number?
• 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.
