A science class has two times as many boys as girls. During the final examination of the year, the girls average 90 points each, and the class as a whole averages 80 points per person. What is the average score of the boys in the class?
Answers
Answered by
3
Answer:
Step-by-step explanation:
Let the boys be X and the Girls be Y
According to first condition
2x=y
90y=80x
then find the answer through it!
simplify it...
Hope it helps.
Anonymous:
hlooo
Similar questions