Right your ratio of 
Simplify fraction to 3/4
Now set it up with c/100 to find the percent (c equaling the percentage of caremel brownies)
Cross multiplty:
Crossmultiply:
3c = 200
Divide (solve equation)
c = <span>66.6666666667</span>
Simplify fraction to 3/4
Now set it up with c/100 to find the percent (c equaling the percentage of caremel brownies)
Cross multiplty:
Crossmultiply:
3c = 200
Divide (solve equation)
c = <span>66.6666666667</span>