Sahil buys eight books for 72. What is the cost 45 books?
2)The bus fare for 20 persons from Delhi to Chandigarh is 9,500.find the cost for 19 person.
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Answer:
1) The cost of 45 books at cost of Rs. 9 each is Rs. 405.
2) The bus fare of 19 persons at Rs. 475 each is Rs. 9,025.
Explanation:
1) Cost of eight books = Rs. 72
Cost of one book = Rs. 72 ÷ 8
= Rs.9
Therefore, cost of 45 books = Rs. 9 × 45
= Rs. 405.
2) The bus fare of 20 persons = Rs. 9,500
The bus fare of 1 person = Rs. 9,500 ÷ 20
= Rs. 475.
The bus fare of 19 persons = Rs. 475 × 19
= Rs. 9,025.
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