A 40 oz bag of potato chips cost $3.20 or a 50 Oz bag of potato chips cost $4.50 which bag of chips has the lower unit price and it's a better deal?

hello! just here for points! though i wish i knew!

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of