. A librarian purchased 60 story books for his
library. But he found that he could get 4 extra
books by spending Rs 336 more and then the
overall average price per book would be re-
duced by Re 1. The previous average price of
each book was
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Answer:
100
Step-by-step explanation:
let the previous avrage price be "p"
according to the question,
60p + 336 = (p-1)64
60p + 336 = 64p - 64
60p - 64p = -64 - 336
-4p = -400
4p = 400
p = 400/4
p = 100
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