Bob had $512 in his bank vault. If he takes out 100, puts in 1000, then takes out 50, and finally takes 4/5 of the remaining money, how much is in his bank vault now?
[512 - 100 +1000 - 50] =1362 dollars
1362 -(4/5 * 1362) =272.40 dollars -what he has now.