Name of POW: "Merchant Fairs"

Problem

• A merchant visited three fairs.
• At the first, he doubled his money and then spent 30 shillings.
• At the second, he tripled his money and then spent 54 shillings.
• At the third, he quadrupled his money and then spent 72 shillings.
• He then had 48 shillings left.

Strategy

Solution