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11 February, 23:30

Yolanda says 105 is the same as 50 because 10x5 equals 50. What was yolanda's mistake

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  1. 11 February, 23:48
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    Answer: Yolanda's mistake is that she is assuming 105 is same as 10 x 5.

    Explanation:Here 105 represents a three digit number where 1 is at hundreds place, 0 is at tens place and 5 is at once place and it can be written as the product of its factors 5 and 21 i. e 105=5*21 = 21+21+21+21+21+21=105 (by adding once place and tens place), where as 10*5 represents 5 times number 10 i. e. 10+10+10+10+10=50 (by adding once place and tens place)

    So, assuming 105 is same as 10 x 5 is her mistake.
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