Katherine and Christine work at the same restaurant. Each week, Katherine works 5 more hours than Christine. Katherine earns $7.00 per hour and Christine earns $8.00 per hour.
4.
a) Write a simplified expression to represent the total number of hours Katherine and Christine work in one week.
2]
b) Write a simplified expression to represent the total amount they earn in one week.
2]
c) Suppose Christine worked 9 hours last week. What was the total amount the girls earned last week?

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.)