SOLUTION: i'm looking for what my variable is to represent and how to write out the equation to the following word problem: Mario collects a commission for bringing in advertisers to hi

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Question 158703This question is from textbook
: i'm looking for what my variable is to represent and how to write out the equation to the following word problem:

Mario collects a commission for bringing in advertisers to his magazine company. He receives 8% on $450 full-page ads and 5% for $300 half-page ads. If he sells twice as many half-page ads as full-page ads and his commission was $5610, how many of each type did he bring in?
thanks for the help! This question is from textbook

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x="full-page", so 2x="half-page"

[(8%)(450)(x)]+[(5%)(300)(x)]=5610

remember that % gets changed to decimal