Hi A candidate was to 'submit 15 from' a certain number 'x' but mistakenly added 25 and her answer was 145. x + 25 = 145 x = 120 120 - 15 = 105 *** | 'submit 15 from' 105 the correct amount What is the percentage error: ( (145-105)/105)*100 = 38% is the percentage error (to nearest whole number Wish You the Best in your Studies.