At a farmer’s market, khalid bought 4 pounds of tomatoes and 7 pounds of broccoli for $28. genevieve bought 5 pounds of tomatoes and 2 pounds of broccoli for $28.50. let t represent the cost of one pound of tomatoes. let b represent the cost of one pound of broccoli. which system of equations will solve for t and b?

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.)