She receives $1,102.50 for commission. All you need to do to solve this problem is multiply the amount given by the percentage as a decimal.
Formula for geometric series
an=a1(r)^n-1
a2=1/4(1/3)^1
a2=1/12
The answer to this is 10.24
$30/2=$15.
She charges $15 for one hour
Therefore, she must charge $75 for 5 hours
We have that
<span>Bisector theorem--------------- >(LM)/(LN)=(OM)/(ON)
therefore
</span>(18)/(10)=(x)/(4)------------------ > x=7.2
the answer is x=7.2
