Mathematics, 22.02.2021 21:50 k3wabii

Determine if the following ratios form proportions. 1.) 1 to 3 and 7 to 21

2.) 3 to 4 and 24 to 18

3.)1:5 and 6:30

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Determine if the following ratios form proportions. 1.) 1 to 3 and 7 to 21

2.) 3 to 4 an...