Describe a person who solved a problem in a smart way You should say: • Who this person is • What the problem was • How he/she solved it • And explain why you think he/she did it in a smart way

One person I’d like to talk about is my older sister, Linh. She’s not a professional problem-solver or anything like that, but she has a very practical mind. A few months ago, she helped my family deal with a small but stressful problem when our electricity bill suddenly became almost twice as high as usual. At first, everyone assumed it was just because we had been using the air conditioner more often. But my sister didn’t want to jump to conclusions. She checked the bill carefully, compared it with previous months, and then went around the house testing different appliances. Eventually, she discovered that our old water heater was switching on automatically many times a day, even when nobody was using hot water. Instead of immediately replacing it, which would have been expensive, she bought a simple timer switch and set it to turn on only during the times we actually needed it. She also explained the issue to everyone in the family, so we could avoid wasting electricity in the future. The next month, our bill dropped noticeably. I think she solved the problem in a smart way because she didn’t panic or choose the most expensive solution. She investigated the root cause, used a low-cost fix, and changed people’s habits at the same time. To me, that was smart because it was simple, logical, and effective.