Respuesta :

wegnerkolmp2741o

Answer:

C. 6

Step-by-step explanation:

2                  n

-------- = -------------

7                   21


We can use cross products to solve this.

2 * 21 = 7 * n

42 = 7n

Divide each side by 7

42/7 = 7n/7

6 =n

Ihateboysthataremean
C because 3 x 7 is 21. so you have to do it to the top too.