Answer:
It should be 10 raised to power 2 which is a hundred.
Marked(10)/total = 3/20 (from sample)
total/10 = 20/3 (inverting the above proportion)
total = 10•20/3 = 200/3 ≈ 67
A:
Ratio of all students in the class to girls is...
15:8
b:
Ratio of boys to girls....
7:8
The equation for this would be 41/4 + 52/3 - 41/3= ?
So then you just change all the denominators to their lcm, which is 12 and multiply the numerator accordingly.
123/12 + 208/12 - 164/12 = 167/12
Answer:
-50
Step-by-step explanation:
-60--10
