Respuesta :

Answer:

9+10=90

Step-by-step explanation:

10x9=90

I hope it helps:)

Answer:

9+10=19

Step-by-step explanation:

9 added to 10 will be 19

example if you have 9 pens ,and your friend gives you 10 pens . how many pens do you have? you only going to do, is to count all the pens and the result will be 19 pens