Question. Ines had $20 in her purse. She bought 3 pounds of peaches, which are $2 per pound at the local farmers' market. How much did she have left?
Answer. 14
What step-by-step reasoning justifies that answer?
Reasoning: Ines bought 3 pounds of peaches for 3 peaches * $2 / peach = $6. Ines has $20 - $6 = $14 left.