A ratio is expressed as the relationship of whole numbers or decimals. The numbers can determine percentages, scales, parts of a solution, or output per input in gears. The ratio is simply a multiple and can be changed to other ratios just as fractions are changed, by multiplication of both sides.
Some examples of ratios are:
In the final two examples, you can express the ratio scale as a fraction (1/120th scale) and the percentage of smokers as 26% (26 percent).
To simplify a ratio, divide both sides by the smaller number. E.g. the ratio of 300 to 10 (300:10) is 30 to 1, and the ratio of 10:20 equals the ratio 1:2 (1/2).
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The answer depends on the ratio of the shape to what!
The answer depends on what ratio of the triangle you are interested in.
multiply by 2
If the ratio of the radii is 1:3 then the ratio of volumes is 1:27.
The answer depends on what the ratio is relative to!The ratio of a circumference to the area of a circle is half the radius.