The answer is H because per every 3 parents there is 45 students, 45/3 is 15 and if you look at H y1= x15 and y2=x30 and so n so
<span>We know that OB bisects EC where they intersect would be at point O,
so the two lengths EO and OC must be equal.
2x - 20 = 70 - x
</span>[adding x + 20 to each side]
2x - 20 + x + 20 = 70 - x + x + 20
[simplifying]
<span>3x = 90
</span>[dividing each side by 3]
<span>
x = 30 would be the answer</span>
This would be 3990 if you require a whole number but for a decimal it would be 3989.24
