Problema Solution
A pharmacist found at the end of the day she had (5/4) as many prescriptions for antibiotics as tranquilizers. She had 36 prescriptions altogether. How many did she have for tranquilizers?
Answer provided by our tutors
let
t = the number of prescriptions for tranquilizers
a = the number of prescriptions for antibiotics
a pharmacist found at the end of the day she had (5/4) as many prescriptions for antibiotics as tranquilizers:
a = (5/4)t
She had 36 prescriptions altogether
a + t = 36
by solving the system of equations:
a = (5/4)t
a + t = 36
we find:
a = 20 prescriptions for antibiotics
t = 16 prescriptions for tranquilizers
click here to see the step by step solution of the system of equations:
the pharmacist had 16 prescriptions for tranquilizers.