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With the current: Distance = 8 miles, Time = 2 hours Against the current: Distance = 6 miles, Time = 2 hours. We can use the formula: Distance = Rate × Time. For rowing with the current: 8 = (b + c) × 2. For rowing against the current: 6 = (b – c) × 2. Now we have a system of two equations: 2b + 2c = 8 2b – 2c = 6
Make customizable worksheets about constant (or average) speed, time, and distance, in PDF or html formats. You can choose the types of word problems, the number of problems, metric or customary units, the way time is expressed (hours/minutes, fractional hours, or decimal hours), and the amount of workspace for each problem.
Determine average velocity in miles per hour. Problem 5 : Time (A to B) = 3 hours. Time (B to C) = 5 hours. Time (C to D) = 6 hours. If the distances from A to B, B to C and C to D are equal and the speed from A to B is 70 miles per hour, find the average speed from A to D. Problem 6 :
To find the total distance, multiply rate times time or (30km/h) (4h) = 120 km. The problems to be solved here will have a few more steps than described above. So to keep the information in the problem organized, use a table. An example of the basic structure of the table is below:
Solution : Given : Speed is 40 miles per hour. The formula to find the time when distance and speed are given is. Time taken to cover the distance of 160 miles is. = ¹⁶⁰⁄₄₀. = 4 hours. So, the person will take 4 hours to cover 160 miles distance at the rate of 40 miles per hour. Problem 3 :
The formula for distance problems is: distance = rate × time or d = r × t. Things to watch out for: Make sure that you change the units when necessary. For example, if the rate is given in miles per hour and the time is given in minutes then change the units appropriately.
r = 3, so 3 is the answer to our problem. Janae walked 3 miles per hour. In the problems on this page, we solved for distance and rate of travel, but you can also use the travel equation to solve for time. You can even use it to solve certain problems where you're trying to figure out the distance, rate, or time of two or more moving objects.
