A 12-ounce bottle of shampoo lasts Enrique 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last him?

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It will last 24 ......
It will last him 24 weeks. You would divide 12 by 16 and get .75 from that. That means he uses .75 ounces a week. Divide 18 by .75 and you get 24. It will last him 24 weeks
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