Question

Class 10R sat a test. The mean mark for the class was 70%.
there are 30 students in class 10R, 20 of whom are boys. The mean mark for the boys in the test was 62%.

Workout the mean mark for the girls.

Answer 1

Answer:

38% mean marks for 10 girls

Step-by-step explanation:

There are 30 total students in which 20 boys so 10 girls and boys marks are 62% so we minus 52 from 100 38% would come