Calvin's rug covers 1/8 of the floor space in his bedroom. how much floor space would be covered if calvin had 4 rugs of that size ?

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?