Maybe rewrite it simpler?
Answer:
$80
Step-by-step explanation:
First I'll ask (cause I'm not an expert at english)(and I'm a child)
Additional fee for maintenance is a thing you pay every month right?
In that case,
Monthly fee per month (m): 11
Additional fee per month (a): 9
Total fee per month (t): [m+a] or [11+9]
Total fee for 4 months (x): (11+9)x4=80
Customers will have to pay $80 after 4 months.
Answer:
Usually, angle bisectors divide a given angle into two separate angles with equal measures, or two equal parts.
Based off of the picture you've given, it seems as if the angle bisector doesn't split the angle into 2 equal measures, since one angle looks like it will be bigger than the other.
