15.4k views
3 votes
How to do this problem

How to do this problem-example-1

1 Answer

2 votes

Answer:

1 tens 3 ones

Explanation:

All you do is count the numbers in the place value chart.

Since 31-18=13, all you do is count 10+1+1+1=13.

User Rosme
by
5.4k points