The equation C= 5.75b represents the cost, C, for b used books at Pickwick Books.
At Dickens Books, a customer can buy 3 used books for $16.50, with each book having the same price.
Who charges less per used book, and how much less? Move the correct name and dollar amount to the blanks to complete the sentences.
_____ charges less per used book. The cost is _____ less.

Pickwick Books

Dickens Books

$0.15

$0.25

$0.35