73.8k views
5 votes
To solve 35-19, jack used 35-20 what did he do next

User BDL
by
6.6k points

2 Answers

7 votes
He added one to his answer! 35-19 is 16, 35-20 is 15
User Ivarec
by
7.3k points
4 votes
then he got a sum of -1 (or negative one)
User XaolingBao
by
7.0k points