Problema Solution
Kristen spent $131 on shirts. fancy shirts cost $28 and plain shirts cost $15. if she bought a total of 7 the how many of each kind did she buy?
Answer provided by our tutors
let
f = the number of fancy shirts bought
p = the number of plain shirt bought
Kristen spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15.
28f + 15p = 131
she bought a total of 7:
f + p = 7
by solving the system of equations:
28f + 15p = 131
f + p = 7
we find:
f = 2 fancy shirts
p = 5 plain shirts
click here to see the step by step solution of the system of equations:
Kristen bought 2 fancy shirts and 5 plain shirts.