Answer:
likely .
Step-by-step explanation:
Eli is 17 years old because 17-4=13
and 17+13=30
<span>
<u><em>The correct answer is: </em></u>green and blue.
<u><em>Explanation</em></u><span>
<u><em>: </em></u>We want to see which fractions </span></span>

is a multiple of. We know that

is a multiple of

, because

*3=

.
We can divide fractions to determine if

is a multiple of

:

;
in order to divide fractions, flip the second one and multiply:

)*

=

=1

.
This did not divide evenly, so

is not a multiple of 1/2.
Checking to see if

is a multiple of

,

;
flip the second one and multiply:

*

=

=6.
This divided evenly, so

is a multiple of

.
18/12= 1.5
24/15= 1.6
1.6+1.5=3.1
I think D is your answer