I think of a number multiply it by 3 and add 7. I get the same answer if 1 multiply the number by 4 and subtract 12. find the number​

If you answer right ill give brainliest, : )

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?