73n

Solve hard ratio problems involving combining two or more ratios

73n Combine two ratios to form one.

73n Form a four-part ratio.

73n Determine an amount given a change in a ratio where one part is changing.

73n Determine an amount given a change in a ratio where two parts are changing.

27n: simplifying ratios and identifying fractions from ratios

38n: converting between decimals and percentages (and to fractions)

40n: share a quantity in a two part or three part ratio

45n: converting fractions to percentages or decimals using equivalent fractions, or division on a calculator

48n: find a fraction of a fraction and multiply Fractions

68n: complete a tree diagram with independent probabilities and use it to calculate probabilities

Ratio

Fraction

Percentage

Common multiple

Tree Diagram

No future learning for this topic

Combining ratios

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