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Ratio and proportion
School licence till 2014-05-23
Price: 6.50 Credits
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Ratio and proportion

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The ratio of two numbers

A greyhound and a hare

Ratio of two numbers

Quantities of the same kind

Quantities of the same kind

The same units

Units of the same kind

The greyhound and the hare

Ratio of two quantities of the same kind

Ratio of two quantities of the same kind

Ratio of two quantities of different kinds

Average speed

Ratio of two quantities of different kinds

How do we calculate x?

Equality of two ratios: proportion

The equality of two ratios

Equality of two ratios: proportion

School history competition

School maths competition

Problems involving proportion

More difficult problem involving proportion