Nicole is buying two posters. One poster costs $7.04 and the second costs $12.45. How much more does the second cost than the first?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?