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Leya [2.2K]
3 years ago
5

john currently has enough money to buy 45 books. If the cost of each book was 10 cents less.john could buy 5 more books. How muc

h money does he have to spend on each book
Mathematics
1 answer:
SVEN [57.7K]3 years ago
4 0
Let the cost of one book= x cents
Let the money john have= y cents

According to the question,

45x=y                                               ...eq(1)
(45+5)(x-5)=y                                  
50(x-5)=y                                         
50x-250=y                                        ...eq(2)

On subtracting (1) from (2).
(50x-250)-45x=y-y
5x-250=0
x=250/5
x=50

Thus, cost of each book is 50 cents and john has 2250 cents.

Hope it helps.
Don't feel shy in saying thx if it helps.


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