7662
42 + 42 = 84
you would take the answer 420 and split in half
42 and 42
10
28 + 42 = 70
It is: 38+4 = 42
420 - 42 = 378
42 is 10% of 420.
42
22
420
Ok, SO, 0.42 km = 420 m. This is because a kilometer is 1,000 meters, and so 42% (0.42 = 42%) of this is 420 km. Hope this helpS!