17. The cost of 9 books is 1312, find the cost of 15 such books.
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Answer:
Cost of one book = 1312/9 = 145.77
Cost of 15 such books = 2186.55 rs
Answered by
0
Answer:
1312/9=145.78 (to find the cost of 1 book)
so, the cost of 1 book = 145.78 rupees
in order to find the cost of 15 books
145.78×15=2186.7
therefore,cost of 15 books =2186.7
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