42,000/1,000 = 42
One kilogram = 1000 grams Therefore 42g = 42 divided by 1000 = 0.042kg
7
0.0417
42 divided into 126 = 0.3333333333333333
620 divided 42 = 14.761904761904763
3 divided by 42 is 0.071428571428
3.5
0.4375
42
42
26
84 divided by 2 is 42