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This quiz contains 5 questions from a mix of 1 subtopics.
The ratio 3 : 7 is equivalent to
15 : .
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The ratio 5 : 12 is equivalent to
30 : .
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A bag of marbles contains red and green marbles in a ratio of 5 : 2. If the bag contains 20 red marbles, how many green marbles must there be?
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A pencil case contains blue, green and orange pencils in a ratio of 3 : 2 : 4. If the bag contains 6 green pencils, how many blue pencils must there be?
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A box of marbles contains orange and purple marbles in a ratio of 7 : 4 If the box contains 20 purple marbles, how many marbles must there be in total?
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