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Solving Ratio Problems using Double Number Lines. Visual. This is a double number line. It can be used to solve ratio problems. What ratio is represented here?. Definition.
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Visual This is a double number line. It can be used to solve ratio problems. What ratio is represented here?
Definition A double number line is a number line with a scale on top and a different scale on the bottom. It can be used organize and compare ratios. What does this double number line tell you?
Sample Problem #1 Marla ran 1 mile in 15 minutes. At the same rate, how much time will it take her to run 3 miles? Show your solution using a double number line.
Sample Problem #2 A water bottle factory can produce 900 bottles in 3 hours. How many bottles will it produce in 8 hours? Use a double number line to show your solution.