Respuesta :

Answer:

Step-by-step explanation:

If its 2.8/10+3.5 = 2.78

if its 28/10+(3.5)=6.3

If its 2/8 / 10 + 3.5 = 3.525

how?

2/8 (1/4 simplified) divided by 10 = 0.025 (0.25/10)

0.025+3.5=3.525