Question

A vending machine sells chips at $0.40 and candy at $0.50. Last month, the vending machine yielded $152.80 with the sale of 328 items.

Let X be the number of chips sold and Y the number of candies.

How many packages of chips were purchased last month?

@agent0smith

Answer 1

0.4x+0.5y=152.8
x+y=328
x=328-y
.4(328-y)+0.5y=152.8
131.2+.1y=152.8
21.6=.1y
216=y
328-216=112
x=112

Answer 2

Thanks :)