a student multiplied a number by 3 / 5 instead of 5 / 3 . what is the percentage error in the calculation ?
let the number be x . then , error = 5 / 3 x - 3 / 5 x = 16 / 15 x . error % = ( 16 x / 15 * 3 / 5 x * 100 ) % = 64 % answer e ) 64 %
multiply(divide(subtract(divide(5, 3), divide(3, 5)), divide(5, 3)), const_100)