Answer:
can ignore 20 as 60/20=3, ie divisible
so basically find the smallest 4 digit number divisiable by 60
1000 / 60 = 16.xx
so to round it up to 17 => 17*60=1020
similarly for 3000, you use 3000/60 first, which is 50
so you want a smaller number ie 49, so 49*60=2940
Step-by-step explanation:
