A group of friends ordered hot dogs (h) and pretzels (p), and then spent $15.50 on soft drinks. A hot dog and a pretzel each cost $3.90. Which of the following expressions can be
used to find the total amount they spent?|

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?