Question 54549
x = number of peanutes
y = number of cashews
(2x + 5y)/20 = 2.75 where x = 20 - y
(2(20 - y) + 5y)/20 = 2.75
40 - 2y + 5y = 55
3y = 15
y = 5
plug: x = 20 - y ~> x = 20 - 5 ~> x = 15
15lb of peanuts
5lb of cashews