Question

How many of the 20 students in a class received a grade of 75 on the test they took most recently? (1) on the test they took most recently, the boys in the class received an average (arithmetic mean) score of 75. (2) on the test they took most recently, the girls in the class received an average (arithmetic mean) score of 75?

Answer 1

10 boys and 10 girls

Step-by-step explanation:

BECAUSE ON FIRST TEST BOYS GET 75

PERSENT AND ON 2ND TEST GIRLS GET 75 PERSENT

Answer 2

Answer:

total no.of students in a class are20 and

most them got 75 grade no.of boys got 75 grade by a.m is(2)andfive girls got 75 grade