Suppose you got 8 mangoes and 3 apples for $18 and 3 mangoes and 5 apples for $14.50. how much does each mango and each apple cost?

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?