Instead of multiplying a number by 5, the number is divided by 10. What is the percentage of error obtained ?	Pick one.
A) 96 % B) 98 % C) 95 % D) 97 % E) 96 %

Rationale: "let the number be x the right number is 5 x the wrong number is x / 10 error is ( 5 x - x / 10 ) = 49 x / 10 percentage of error is ( ( 49 x / 10 ) / 5 x ) * 100 = 98 % answer : b"
Answer: B