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(Please help!) Which pair of ratios form a proportion? 5 : 11 and 6 : 12 7 : 13 and 21 : 39 8 : 14 and 24 : 30 10 : 20 and 20 : 30
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(Please help!) Which pair of ratios form a proportion?

5 : 11 and 6 : 12

7 : 13 and 21 : 39

8 : 14 and 24 : 30

10 : 20 and 20 : 30

User Nogoseke
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10:20 and 20:30 form a ratio
User Inetknght
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