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29 A student has N425. He bought seven ex- ercise books and he was given N5 as change. What is the average cost of one exercise book? A N60.71 B N50 C N60 DN50.71 E N75
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29 A student has N425. He bought seven ex-

ercise books and he was given N5 as
change. What is the average cost of one
exercise book?
A N60.71 B N50 C N60
DN50.71 E
N75

User Brijesh Shiroya
by
5.8k points

1 Answer

5 votes
The average cost of one exercise book is N60
He was given N5 change which means he spent a total of N420
Therefore,he used N420 to buy 7 books,the average cost of one book= 420/7=60.Thanks
29 A student has N425. He bought seven ex- ercise books and he was given N5 as change-example-1
User Salena
by
5.5k points
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