c. The quotient of a number and 7

Did you know that dividing numbers dates back thousands of years? Ancient civilizations like the Babylonians and Egyptians used rudimentary division techniques, which laid the groundwork for modern arithmetic. Understanding division can be traced through history, making it a fundamental element of mathematics that has shaped commerce, engineering, and science! When calculating the quotient of a number and 7, a common mistake is forgetting to apply the division correctly. Always ensure that you clearly identify the number you are dividing by 7. For example, if the number is 28, it’s simple: 28 ÷ 7 = 4. But if you're unsure, double-check your calculations to sidestep that pesky arithmetic error!