Given dataset: 5, 10, 15, 20, 25, 30
(a) Calculate the percentage change in every two consecutiveterms.
(b) The change in every two consecutive term is an increase by 5,but what happen to the percentage change? How does thisoccur?

(2) Given dataset: 25, 18, 35, 50, 42, 55
(a) Calculate the percentage change in everyone two consecutiveterms.
(b) Calculate the percege ntachange from the first term to the lastterm, that is, from 25 to 55.
(c) Multiply all the percentage changes found in part (a). What doyou find?

(3) If the price of an item is increased by 10% then decreased by10%. Is the newest price more than, less than, or equal to theoriginal price? Why?

(4) Item A and item B have the same value. If A's value isincreased by 10% then decreased by 10%, B's value is decreased by10% then increased by 10%. Is A's final value more than, less than,or equal to B's final value? Why?