Members of a band estimated that 200 people were at their show last night. Their manager told them that 227 people had actually been at the show. What was the band's percent error?

C. i think it is step 3

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.