Question

prices of tomato increased20% and then decreased by30% find the net increase or decreased percent​

Answer 1

Answer:

Step-by-step explanation:

Let price be rs.100

1st, increase 20% = 100%+20%=120%

so, price becomes = 100 × 120%

then 2nd, decrease 30% = 100% - 30%=70%

so this decrease is after the increment, means

price  after decrement = (100 × 120%) × 70%

                                     = 100 × (120 ÷ 100) × (70 ÷ 100)

                                     = 84 (as it is lower than price 100 so its a loss)

and,  total decrease = 100 - 84 = 16

decrease percentage = (16 ÷ 100) × 100 = 16%