Equivalent ratios Box Method

Equivalent ratios can be used to find missing values. In this video, I use the box method to solve these ratio problems.

Problem 1 I must mix my oil for my motorcycle in a ratio of oil to gas in a ratio of 1 to 32. How many ounces of oil do I need for 146 ounces of gas?

My bike has a ratio of the front sprocket to the rear of 42 to 10. If my rear sprocket is 15 teeth, how large must the front sprocket need to be.

Related Equivalent Fraction Videos

Equivalent Fractions for beginners

Fractions that are equal

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