3 years ago

At an online bookstore, Kendra bought 4 copies of the same book for the members of her book club. She got free shipping because

her total was at least $50. What was the minimum price of each book? ( inequality)

1 answer:

7 0

$x-\ cost\ of\ one\ book\\\\
Total\ price\ is\ 4x\\\\
It\ should\ be\ greater\ than\ 50\$\\\\
4x \geq 50\ \ \ |Divide\ by\ 4\\\\
x \geq 12,5\$\\\\
Each\ book\ cost\ at\ least\ 12,5\$.$

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