SAT Math Practice Question #31137 - SATify | SATify
#31137
average
statistics
data analysis
easy
45 sec
A class of 10 students had an average test score of 80. Another class of 15 students had an average test score of 90. If the scores from both classes are combined, what is the average test score for all students?
• 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.