Mean = sum of values / number of values
74 = x/32
2368 = x
70 = y/19
1330 = y
mean for female students = (2368 - 1330)/(32-19) = 79.85
The answer is 0 because any number - itself is equal to 0
write it into a formula
60=2x+x
60=3x
20=x
then double check 20 *2 = 40 +20 = 60
so the number is 20
Answer:
A
Step-by-step explanation:
Answer:
1/3
Step-by-step explanation: