21
To determine how many times 18 can go into 42, you divide 42 by 18. This gives you approximately 2.33. Since we're looking for whole times, 18 can go into 42 a total of 2 times, with a remainder.
20/21 times 42 = 40
It goes 42 times. and the word is does not dose!
1/2 times 42 = 21
2 x 7 x 42 = 588