Giving brainliest & a thanks if you answer all of them

At a party store, packages of 12 noisemakers are $2 each. Packages of 9 party hats are $15 each. Mia wants to buy equal numbers of noisemakers and hats.
What is the least amount of money Mia can spend? ( IGNORE THIS QUESTION PLEASE)

To get that many noisemakers and hats:
How many packages of noisemakers does Mia need to buy?
How many packages of hats?

If Mia buys that many packages of each item, what is her total cost? Show your work.