Please, someone, help me. I'm literally crying this is so hard, I have to email my submission in 10 minutes or I'll fail, please help.

A side of a triangle was reduced by a scale factor of 2/3. If the new side is now 18 inches, what was the original side? Show your work.

Thank you so much if you help.

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?