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12 cards from this deck
A comparison of one quantity to another showing the relationship between them
Divide each term by HCF
Simplest form using smallest whole numbers
Yes, order corresponds to quantities mentioned
Multiply each term by same number (LCM)
Multiply both by 6 (LCM) = 2:52:52:5
Relative sizes of parts, not actual amounts
Compares a part to the total amount
Ratio: part to part; Proportion: part to whole
Quantities increase/decrease at same rate; if one doubles, other doubles
x1y1=x2y2\frac{x_1}{y_1} = \frac{x_2}{y_2}y1x1=y2x2
Find value of one part first, then multiply
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