Find the measure of a

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

For how answer my question this will be the last question can you answer in math subject

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?