Aiden spends $18 on a souvenirs during a school trip to New York City. This is 45% of the money he brings on the trip. How much money does Aiden bring on the trip? Show your work.

Mustafa heloise and gia have written more than a combined total of 22 articles for the school newspaper.heloise has written 1/4 has written articles as mustafá has gia has written 3/2 as many written articles as mustafá has