Answer:
The answer for this is the thrid one 1/4
Can I see the full problem from the worksheet?your work looks correct to me.
4 divided by 3C
If C equals 6, then the equation now looks like 4 divided by 3(6).
3 x 6 = 18.
4 divided by 18 is .22 repeating.
This may be wrong. Check with another answer.

Let's solve ~
Here, 6x is present on both the sides of equation so they cancel out ~ therefore there is no one solution satisfying the equation ~
14:3 can be written as 14/3...and this does not simplify