Question: The price of a new version of Dictionary was 130% of the price of the original version. The cost of the original version of the Dictionary was $70. What would be the cost of the new version of the Dictionary?


A ) $106
B ) $81
C ) $101
D ) $91

Steps to derive

1 Cost of new version dictionary is 130% of original version.

2 Cost of new version = 130% of 70
 [Substitute the price of original version.]
2 = 130% x 70

 [Divide 130 by 100 to convert it into decimal.]
3 130% = 130100 = 1.3

 [Multiply the decimal by the cost of old version dictionary.]
4 = 1.3 x 70 = 91

5 The new version of the Dictionary would cost $91.



Hence the right answer is Option D

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