Problema Solution
stefan spent $74 on shirts. Tees shirts cost $6 and long sleeves cost $11. If he bought a total of 9, then how many of each kind did he buy?
Answer provided by our tutors
let
t = the number of t-shirts bought
s = the number of long sleeves bought
he bought a total of 9
s + t = 9
Stefan spent $74 on shirts. T-shirts cost $6 and long sleeves cost $11.
11s + 6t = 74
by solving the system of equations
s + t = 9
11s + 6t = 74
we find
s = 4 long sleeves
t = 5 t-shirts
click here to see the step by step solution of the system of equations
Stefan bought 4 long sleeves and 5 t-shirts.