This is just how percentage is composed 7:21=3:9. The colons are indication of department so it can be displayed in the regards to portion as 7/21=3/9 or 1/3=1/3


A. 7:21 = 3:9

Detailed description:

7 is to 21 as 3 is to 9.

Change words to with colons and also words just like the equates to indicator

7:21 = 3:9



A. 7:21 = 3:9

Detailed description:

7 is to 21 as 3 is to 9.

Change words to with colons as well as words similar to the equates to indication

7:21 = 3:9



Alternative A.

Detailed description:

There are 2 portion given up this concern as well as we need to create the percentage utilizing colon.

When we streamline these portions we obtain the real relationship in between them, aesthetically portions as well as are various however.

We streamline initially.

By splitting from 7 in the numerator and also common denominator we obtain

*

in a similar way we streamline the portion

By separating numerator and also by 3

*

Currently we can state that both the portions are equivalent.

*

So the proportion will certainly be 7: 21 = 3: 9

Alternative A. will certainly be the solution.



Solution from: mmelody5
The solution is 7:21 = 3:9.
Response from: laurenbreellamerritt
The response is D. 7:21=3:9

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