Start with the 4 four goes into 2 how many times? 2 times so put a 2 be
Ow the two and draw a line under it with a zero then bring down the eight. How many times does 4 go into 8? 2 times! And so on and so on.. Ik it's hard to explain but if you ask an adult for help they will b able to explain j much better than I can
X=y+z
subtract y from both sides
-y+x=z that is your answer
It would be 6 people did not get hurt
20 people, 14 got hurt, so subtract 14 from 20 and you get 6 which would be your answer.
Hope this helped. Have a great day!
The following were used:Convenience,Systematic and Voluntary.