$390 I hope that this helps
It is $6 more now than before...maybe you were looking for percent increase?
%change=100(final-initial)/initial
%change=100(10-4)/4=150% increase
Answer: 
Step-by-step explanation:
<u>Given equation</u>

<u>Subtract 9 on both sides</u>


<u>Conclusion</u>


Hope this helps!! :)
Please let me know if you have any questions
I am sure that the answer is 38.35