The difference between the value of a number increased by 12.5% and the value of the original number decreased by 25% is 30. What is the original number R?  Choices
A) 60
B) 80
C) 40
D) 120
E) 160
(1 + 1/8)x - (1 - 1/4)x = 30   (9/8)x - (3/4)x = 30   x = 80=R   Answer: 80
<result>B</result>
The difference between the value of a number increased by 12.5% and the value of the original number decreased by 25% is 30. What is the original number R?