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Distance rate time calc6/9/2023 However, most speed distance time questions will be more complex, and you may need to convert units of time and/or distance. In some cases, this may be a straightforward calculation.įor example, for finding the average speed of a car that traveled 120 miles in 2 hours, simply divide 120 by 2, giving an answer of 60 mph. To determine average speed, you need to divide the distance covered by the time taken. Since speed is measured using different units for distance and time (for example, miles per hour or kilometers per second) it is known as a compound measure. To calculate time, cover the T, leaving D over S so you know you need to divide the distance by the speed ( t = d / s t = d/s t = d / s).To calculate distance, cover the D, leaving S next to T so you know you need to multiply the speed by the time ( d = s × t d = s \times t d = s × t).To calculate speed, cover the S, leaving D over T so, you know you need to divide the distance by the time ( s = d / t s = d/t s = d / t).Referring to the image above, you can see that covering the value you are trying to find gives you the calculation you need to perform: WHAT YOU NEED: A whiteboard, pens, a board rubber and a calculator to check your answers. Where D stands for distance, R for rate, and T for time. Time = Distance/Speed (commonly shortened to t = d / s t = d/s t = d / s)įor most people, the easiest way to remember these relationships is through a visual representation like the triangle formula below, where: Calculate distance, rate, and time with respect to each other.Distance = Speed x Time (commonly shortened to d = s × t d = s \times t d = s × t) You can find out how long it will take to drive between any two cities, airports, states, countries, or zip codes.Speed = Distance/Time (commonly shortened to s = d / t s = d/t s = d / t).To calculate speed, distance and time, you need to remember three key formulas. How Do You Calculate Speed, Distance and Time? In the sections that follow, all three question types are covered in detail, with examples for each, then guidance on how to prepare for speed distance time tests is provided. These questions are typically presented as word problems describing a scenario in which two of the variables are given. Those that require you to calculate time, using measures of speed and distance.
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