Our fundraiser won't last long, and we need some help to reach our goal. Less than 2% of our readers donate, but if everyone who saw this message gave $2.75, we'd hit our goal in a few hours. The rare few who donate do so because Wikipedia provides them with useful knowledge. Jan 28, 2026 · Exploring the ambiguity of the mathematical phrase '75 of 70,' this article clarifies common interpretations and highlights the importance of precise mathematical language. Calculate: tips, sales price, percent off, discounted price, price with sales tax, etc. Add or subtract a percentage. Continuing the theme, let's add some example figures into our calculation. Let's say the question is: What is the percentage increase from 40 to 68? We can use the percentage change calculator. The Psychology of theUnexpected. So, What Have We Learned? Wait, HowDoes This Even Happen? Ever wondered how something so bizarre or unexpected could happen? Like, howdoes a person get sucked into a plane engine, or how could New York City ever go socialist? The quest objective will update in your tracker, confirming the puzzle is done.