There are 25 student in ms. venetozzi's class at the beginning of the school year, and the average number of siblings for each student is 3.

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You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?