Question

The price of salt decreased 10% last year and increased by 20% this year. Find the percentage change in the two years.

Answer 1

Answer:

answer is 8%

Step-by-step explanation:

let the price of the salt be rs 100

price of salt decreased 10% last year

hence, the price of salt this year= 100 - 10% of 100

= 100 - 10/100 ×100 = rs 90

also price increased by 20% this year

hence price of salt this year = 90 + 20% of 90

= 90 + 20/100 × 90

= rs 108

hence percentage change in two years

= (108 - 100)%

=8%

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