Problema Solution
A student has some $1 and $5 bills in his wallet. He has a total of 16 bills that are worth $52. How many of each type of bills does he have?
Answer provided by our tutors
let
x = the number of $1 bills
y = the number of $5 bills
He has a total of 16 bills that are worth $52:
x + y = 16
1*x + 5*y = 52
by solving the above system of equations we find:
x = 7
y = 9
click here to see the step by step solution of the system of equations:
The student has 7 bills of $1 and 9 bills of $5.