Adam went to the store to buy some
walnuts. The price per pound of the
walnuts is $5.75 per pound and he has a
coupon for $4.50 off the final amount.
With the coupon, how much would Adam
have to pay to buy 5 pounds of walnuts?
Also, write an expression for the cost to
buy p pounds of walnuts, assuming at least
one pound is purchased.