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Year 7 Maths Ratios, Rates and Time

Problems for Ratios (harder)

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Questions
Question 1
201138

A necklace has red and blue beads in the ratio \(2:3\). The bar model shows the ratio. There are \(12\) red beads. How many blue beads are there?

Bar model for the ratio 2 to 3Red row of 2 equal boxes marked 12 beads altogether; Blue row of 3 equal boxes of the same size Red Blue 12 beads
18
 blue beads 1 mark

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