Respuesta :

DeanR

Proportional ratios are the same.  2:4=1:2 and 20:36=5:9 are not the same.

In general

a:b = c:d

when ad = bc

Here 2(36)=72 is not equal to 4(20)=80, so the ratios are not the same.

fordemme02

Answer:

Proportional ratios are the same.  2:4=1:2 and 20:36=5:9 are not the same.

In general

a:b = c:d  

when ad = bc

Here 2(36)=72 is not equal to 4(20)=80, so the ratios are not the same.

Step-by-step explanation: