Respuesta :

Answer:

2 times. 3.9x2=7.8

Step-by-step explanation:

3+3=6

0.9+0.9=1.8

6+1.8=7.8

It will be 2 times
3.9x2=7.8
3+3=6
0.9+0.9=1.8
6+1.8=7.8