Respuesta :

Answer:

w = 2.45
6/7 = 21/24.5

Step-by-step explanation:

To get from 6 to 21:
You multiply by 3.5

So 7×3.5 = 10w

7×3.5 = 24.5

24.5 = 10w

w = 24.5÷10

w= 2.45