Number 1 = The total amount of money to attend the 7th grade dance would be $74.84.

Question 2 = If your parents lend you $75.00, then that would be sufficient enough to cover your cost to the 7th grade dance.   

Question 3 = The percent change in the price of the dance tickets from buying them in advance to buying them at the door would be 50%.

Number 4 = If you pay your parents back with an additional interest of 5%, then you would have to pay them $78. 75.

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