Someone help me ASAP

Could somebody me with this radical simplification?

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?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test