A box of 15 cookies cost nine dollars what is the cost for one cookie

9:15 = 0.6

answer : 0,6

$1.66

Step-by-step explanation:

15/9=1.66

I hope this helps.):):):):):):):):):):):):):):):):):):):):):):)

multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.