A student multiplied a number by 3/5	instead of	5/3.What is the percentage error in the calculation?	Choose the most appropriate option
A) 34%	B) 44%	C) 54%	D) 64%	E) 74%
Let the number be x.   Then, error =(5/3)x -	(3/5)	x =(16/15)x.   Error% =((16/15)x)	x (3/5x)x 100% = 64%.   Answer:64%
<result>D</result>
A student multiplied a number by 3/5	instead of	5/3.What is the percentage error in the calculation?