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23 January, 08:49

6. Write the following proportion using colons. 7 is to 21 as 3 is to 9. A. 7:21 = 3:9 B. 7:3 = 21:9 C. 21:7 = 3:9 D. 7:21 = 9:3

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  1. 23 January, 09:49
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    A. 7:21 = 3:9

    Step-by-step explanation:

    7 is to 21 as 3 is to 9.

    Replace the word to with colons and the word as with the equals sign

    7:21 = 3:9
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