Nurse Missy is attending to the needs of 12 patients in her hospital ward.  Most of her patients require standard care, but one-third of her patients have special dietary requirements, which increases the serving time by 20%.  At dinner time, she brings each patient their meal. It takes 5 minutes to serve each standard care patient.  How long does it take, in minutes, for Missy to serve dinner to all of her patients?
How many special needs patients does Missy have? ** Nurse Missy has 12*(1/3)=<<12*(1/3)=4>>4 special needs patients.
How many standard care patients does Missy have? ** She has 12-4=<<12-4=8>>8 standard care patients.
How long does it take to serve a special needs patient? ** Special needs patients take 20% longer to serve, which means serving takes 1.2*5=6 minutes per patient.
How long does it take, in minutes, for Missy to serve dinner to all of her patients? ** To serve dinner to all of her standard care patients, it will take 5*8=<<5*8=40>>40 minutes.
How long does it take, in minutes, for Missy to serve dinner to all of her patients? ** To serve dinner to all of her special needs patients, it will take 6*4=<<6*4=24>>24 minutes.
How long does it take, in minutes, for Missy to serve dinner to all of her patients? ** In total, it will take 40+24=<<40+24=64>>64 minutes to serve dinner to all of her patients.
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