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Question

Question 95 (iii)

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Shashi used addition to solve a word problem about the weekly cost of commuting by toll tax for Rs 15 each day. Ravi solved the same problem by multiplying. They both got the correct answer. How is this possible?

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Solution

By addition method,
Total weekly cost = (15 + 15+15+15+15+15+15)
= Rs. 105
By multiplication method,
Total weekly cost = Cost of one day × Seven days
=15×7
= Rs. 105


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