Asked by Gigi
A bookstore is offering a 25% discount for a new book during a two-week sale. After the sale, the book will sell for the regular price of $32.00. The store has a total of 200 copies of the book.
If all of the copies of this book are sold, what is the number of discounted books that the store sells to make a total of $5440.00?
I know 25% of $32= $24
But how did they get 120 for answer
If all of the copies of this book are sold, what is the number of discounted books that the store sells to make a total of $5440.00?
I know 25% of $32= $24
But how did they get 120 for answer
Answers
Answered by
oobleck
If x discounted books are sold (for $24 each) then
24x + 32(200-x) = 5440
solve to get x = 120
and 25% of 32 is not 24
24 = 75% of 32 (or 25% off)
24x + 32(200-x) = 5440
solve to get x = 120
and 25% of 32 is not 24
24 = 75% of 32 (or 25% off)
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