1.

lohn buys 5 books with an average price of $12. If John then buys another book with a price of $18, what isthe average price of the 6 books?1.:

Answer»

average price of 5 books=$12total price of 5 books=5×12=$60price of 6th book=$18total price of 6 books=60+18=$78average price of 6 books=78/6=$13



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