I believe the aswer is 29.7
1) 120 (2 hrs.in minutes) divided by 45
2) Round and multiply 2.7 by 11
3) Get your answer
OR
1) 120 (2 hrs. n minutes) times 11
2) Divide by 45 and Get answer
Because it has ">" in it.
The answer is c. You find the price per ounce. 4.29/24 = .178 then 3.49/18= .193 then 6.39/39= .163 and 2.49/14 = .177. The cheapest is c. Hope this helps!!!