7 divide 420 = 0.016666666666666666
0.1429
420
First, you know that 60 seconds are in a minute. so you divide 420 by 60. This would equal 7 minutes.
42
Each number will divide into 420 with no remainder
Simply divide 75 by 420 75/420=0.1785
0.015
420 / 7 = 60
Not evenly. 420/24 = 17.5
420 dividedby 7 = 60
Divide 15 into 420 for the answer.