The ratio of a to b is 4 to 5, where a and b are positive. If x equals a increased by 75 percent of a, and m equals b decreased by 80 percent of b, what is the value of m/x?
Select
A) 1/7  B) 3/4  C) 4/5  D) 5/4  E) 3/2
a/b = 4/5   m/x = (1/5)*5 / (7/4)*4 = 1/7   The answer is 1/7.
<result>A</result>
The ratio of a to b is 4 to 5, where a and b are positive. If x equals a increased by 75 percent of a, and m equals b decreased by 80 percent of b, what is the value of m/x?