How we get the proportion of 20 times? According to my Math: if 5 mins = 1 hour => 5 mins = 60 mins in L1 Getting the unit number: 1 MInute in Reality = 60/12 = 12 minutes in L1 therefore: 1 hour in Reality = 60 * 12 (where 60 is 1 hour in reality) = 720 minutes in L1 = 12 hours in L1 for L2: = 720...