Respuesta :

Answer:

He has 4 more to hang

Step-by-step explanation:

13 total; you  must add the 5 he already hung in the morning plus, the 4 he hung in the afternoon; leaving you with 4 because 5 plus 4 is 9. 13 minus 9 is 4.

Answer:

4

Step-by-step explanation:

You do 13-5=8. Then you do 8-4=4. Your answer is 4