Problem Solving (PS) | Re: Between the first day of May and last day in June, the price per kilog

Solution

•The price of Melange first declined by 20% and then increased by 50%
•The price of Blue water first increased by 20% and then declined by 50%
•At the end, both the prices are same

•At the beginning, price of Blue water was what percent of the price of Melange

•Price of Melange after two changes = m * 0.8 * 1.5 = 1.2 m
•Price of Blue water after two changes = b