Respuesta :

Answer:

yes

Step-by-step explanation:

120  is equal to 1 and 30  is also equal to 1

2*60                            30

devishri1977

Answer:

Yes

Step-by-step explanation:

If products of extremes and product of mean is equal, then they are proportional.

2 minutes = 2*60 = 120 seconds

120 : 120  :: 30 : 30

products of extremes = 120 * 30 = 3600

products of means  = 120 *30 = 3600

So, they are proportional