Respuesta :

You are multiplying by 4 or dividing by 4 8 16 20 28
2 4 5 7
8 is to 2 as x is to 4

8/2 = x/4. Cross multiply and solve X
8(4) = 2x
16 = 2x divide by 2 on both sides
8= x

Do the same for each box using the ratio 8/4