Let x be the number of white sweats
Let y be the number of yellow sweats
$192.75 = $10.95x+ $11.50y
X+y=17
X= 17-y
192.75 = 10.95 (17-y) + $11.50y
192.75 = 186.15 -10.95y +11.50y
192.75-186.15 = 0.55y
6.6/0.55 = y
12= y
X+y = 17
X+ 12 = 17
X= 5
(5, 12)
