At a restaurant, a hamburger costs $0.95, and a chicken sandwich costs $1.60. If 20 more hamburgers than chicken sandwiches were sold in one afternoon, and $103.15 was earned in total, how many hamburgers were sold that afternoon?

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?