Today, everything at a store is on sale. The store offers a 20% discount. a. The regular price of a T-shirt is $18. What is the discount price?

b. If the regular price of an item is x dollars, what is the discount price in dollars?

(Answer each question with solutions)

c. The discount price of a hat is $18. What is the regular price?

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?