Answered

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Sagot :

Wegnerkolmp2741oidn

Answer:

15

Step-by-step explanation:

5/7 = x / 21

7 * 3 = 21

So we need to multiply the numerator by 3

5*3 = 15

The numerator is 15

Skyelerlopez19idn

Answer:

15

Step-by-step explanation:

5/7 = 15/21

multiply both 5 and 7 by 3 to get 15 and 21

5 x 3 = 15

_    _     _

7 x 3  = 21

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