5. Jude has 5 pairs of sunglasses that
Power Shades 3000
cost the same
in his online
shopping cart,
Buy 3 or more, get
but then decides
shipping for $1.49*
to get only 2.
Each pair of
*Regular shipping: $6.4
sunglasses is the
same price. Let p represent the cost of each pair.
Write an expression for the original cost, the
updated cost, and the difference in cost.