SAT 2026 (Simulado mthedu estilo SAT Math nº 1 · não oficial) · questão 42
Questão 42 SAT 2026 · Simulado mthedu estilo SAT Math nº 1 · não oficial: Estatística
Module 2 · Student-produced response: enter one answer (fractions and decimals are accepted).
Class A has 20 students with a mean test score of 80. Class B has 30 students with a mean test score of 70.
What is the mean test score of all 50 students combined?