Question 122652
The answer to this question is y=$14.15.

STEPS... 

1. Replace x with 13.    y= 0.55(13)+7
2. Multiply 0.55 and 13. y= 7.15 + 7
3. Add seven to what you got after you multiplied 0.55 and 13.  y= 14.15

         That is your answer.