Answer:
16
Step-by-step explanation:
Input it in the calculator
You just Said it it's 0,6666666666...
Answer:
a = 9
Step-by-step explanation:
you can simplify the proportion to:

use cross- multiplication
8a = 72
a = 9
3/8 + 5/2
=3/8 + 20/8
= 23/8
or
= 2 7/8
Im not sure how to do it because you don't have a plus or minus sign. add that and then i will show you.