Answer:
$12,000,000
Step-by-step explanation:
To find her commission, create a proportion.

To solve use cross multiplication.
40(x) = 100(480000)
40x = 48000000
x= 12,000,000
To much of an open ended question
$3.19
That will be the answer sir/ma’am
Convert 5% to .05 multiply that by total and youll get the tax amount and add the to the total then for the tip you multiply .15 by the total and shabam theres your answer