. He buys 2 used books and 1 new book for $26 . the new book costs $18 . each used book costs the same amount what price of each
used book
2 answers:
Cost of new book= $18
Remaining amount after subtracting the cost of new book = $(26 - 18) = $ 8
Cost of 2 used books = $ 8
Cost of 1 used book = 8/2 = $ 4
(total price - price of 1 new book)÷number of used books
($26-$18)/2=4
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