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Question: Use unit analysis to convert 8 dollars into rupees. Let the rate of currency exchange is 46.20 Indian rupees per one United States dollar.


A ) 5.77 rupees
B ) 3696 rupees
C ) 368.60 rupees
D ) 369.60 rupees

Steps to derive

1 Since 46.20 rupees = 1 dollar, 46.20 rupees1 dollar is equal to 1.

2 8 dollars = 8 dollars × 46.20 rupees1 dollar

 [Use unit analysis.]
3 = 8 × 46.20 rupees

 [Multiply.]
4 = 369.60 rupees

5 8 dollars equals 369.60 rupees.



Hence the right answer is Option D

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