Amanda received $50 as a gift. She plans to buy two cassette tapes that cost $9 each and a headphone set that costs $25. How much money will she have left?
Amanda spent 2 tapes * $9/tape + $25 = $<<2*9+25=43>>43.
Amanda has $50 - $43 = $<<50-43=7>>7 left.
#### 7