Rachel planning to run an average of 6.4 miles for three calls talkative days won the first day she ran 6.6 miles in the second day she ran 6.5 mills what is the maximum number of miles Rachel can run on the third day without going over the plans average of 6.4 miles per day

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Can someone check if i did this correct. it’s number 4 if you’re wondering.

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.)