Kelli is buying a book at an online store. She can choose to use one of the three deals that are shown below. Deals
Deal 2
Deal a3
So the purchase, not
inducing shipping of a
hardcover book
10% off the purchase, not
including shipping, of an
order of two or more tems
Free shipping on orders
with a total over $25
The online store charges a flat rate of $3.99 for shipping. Kelli is buying a book for $22.43. She could buy the same
book with a hardcover for $1.50 more.
Which option is the least expensive for Kelli?
Buy the book without using any of the deals.
Upgrade the book to hardcover, and use Deal #1.
e Order another small item for $3, and use Deal #2.
Order another small item for $3, and use Deal #3