PLEASE SHOW SOLVING STEPS Jhon's total marks in exam-1 is x. His total marks in exam-2 increased by 20%. . Jhon’s total marks is decreased by 20% in exam-3.

i) Write an algebraic expression for his total marks in exam -2

ii)Write an algebraic expression for his total marks in exam -3

iii)Write an algebraic expression for the difference of Jhon's total marks in Exam-2 and Exam-3

iv) If the actual difference of Jhon's total marks in exam-2 and 3 is 84., find the value of x( Rahim’s

total marks in Exam-1)

V) Is it correct to say that his total marks in exam-3 is x? Justify using value of x