Finding triple of -7.5 quickly

To find the triple of -7.5, the key step is to multiply -7.5 by 3. Tripling a number means you combine three copies of the number together, which multiplication simplifies into one operation. So, instead of adding -7.5 three times, you multiply it by 3. By performing the calculation -7.5 * 3, you directly obtain -22.5, which represents the triple of -7.5. This straightforward approach ensures you can quickly and accurately calculate the triple for any number -7.5 without additional steps or complications. Understanding how multiplication works as repeated addition helps clarify why this method efficiently gives the desired triple value.