Problema Solution
A women bought some large frames for 13 dollars each and some small frames for 8 dollars each. If she bought 19 frames for 167 dollars, find out how many of each type she bought.
Answer provided by our tutors
let woman bought x large and y small frames,
we have
x + y = 19 and 13x + 8y = 167
==> 13(19-y) + 8y = 167
==> 247 - 5y = 167
==> 5y = 80
==> y = 16
hece, x = 19-y = 3
HEnce, woman bough 3 large frames and 16 small.
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