A UK lottery prize pays 1000$ at the end of the first year,
2000$ at the second, 3000$ the third, and so on for 20 years. If
there is only one prize in the lottery, 10000 tickets are sold, and
you could invest your money elsewhere at 15 percent interest, how
much is each ticket worth, on average ?
Answer : 3.98 $
Can anyone solve it by converting Arithmetic Series to Annuity
first, and then converting Annuity to Present...