169k views
4 votes
Use Morgan's strategy of working backwards to find the original number.

The table below has been started for you.

Use Morgan's strategy of working backwards to find the original number. The table-example-1

2 Answers

3 votes
The answer to the question is 12
User Ryan Sperzel
by
5.5k points
1 vote
Answer: 12
Work the problem in reverse:
9 - (-6) = 15
15 x 4 = 60
60/5 = 12

To make sure it’s correct, start with the number 12:
12 x 5 = 60
60/4 = 15
15 + (-6) = 9
User MangduYogii
by
5.0k points