Need help with 5 6 7 and 8. at least answer one of them .

What is the range? can’t seem to find it out

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?

Who long does it take to drive 150 miles at 45 miles per hour