In math, it's sometimes helpful to be able to compare quantities using ratios. Ratios are used often in word problems and in Geometry when comparing similar figures. A ratio is a comparison of two quantities. One common ratio example is how many miles in an hour a person drives. Problems that contain ratios involve solving single-step, two-step, or multi-step equations in order to find a quantity or variable.
Sample Problems (2)
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In the 2009 Nathan's hot dog eating contest, Joey Chestnut ate 68 hot dogs in 10 min.
On a scaled map, 2 inches represent 1000 miles. If you measure that the distance on the map from San Francisco to New York is 5½ inches, how many miles apart are the 2 cities?