Richard works at an ice cream shop. Regular cones get two scoops of Ice cream: large cones get three scoops. One hot Saturday, Richard scooped 234 regulas cones and 150 large cones. One scoop of ice cream is 3 ounces. A tub of ice cream weighs 10 pounds. How many tubs of ice
cream did Richard use to make the cones?
Use the conversion 1 pound 16 ounces

The total number of scoops of ice cream that Richard got from the tub is,

 (234 regular cones) x (2 scoops / 1 regular cone) + (156 large cones) x (2 scoops / 1 large cone) = 936 scoops

Given that each scoop weighs 3 ounces, the total weight of the ice cream is 2808 ounces. For the number of tubs,

        (2808 ounces) x (1 lb / 16 ounces) x (1 tub /10 lb) = 17.55

Thus, the answer is 18.

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