SAT Math Practice Question #7669 - SATify | SATify
#7669
statistics
data analysis
arithmetic mean
average
word problem
medium
75 sec
Calculator OK
A group of 30 students took a test and had an average score of 40. A different group of 20 students took the same test and had an average score of 70. What is the average score of all 50 students combined?
• 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.