 
<translate> Ajụjụ: Sam tinyere $10,000 ma nweta pasent 20 nke uru ya n'ime afọ atọ. O tinyekwuru ego n'ego ahụ ruo mgbe ego o tinyere ji okpukpu atọ karịa ego o tinyere na ya. N'afọ na-eso ya, ọ natara pasent 15 nke ego o tinyere. Ego ole ka o nwere ugbu a? <eng> The question: Sam invested $10,000 and earned 20% interest compounded for 3 years. He then invested more until he had three times as much invested. The next year, he got a 15% return on his investment. How much money does he have now? 