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The price "P" has changed two times, how has it changed?

1.15x0.7xP

 

Thanks for any possible solutions smiley

Guest Mar 7, 2017
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The price "P" has changed two times, how has it changed?

1.15x0.7xP

 

Well, the first time the price went up 15%.

The second time the price dropped by 30%.

So, the overall effect of the price change was:

P = 1 - [1.15 x 0.70] = 0.195 x 100 =19.50% - drop in price.

Guest Mar 7, 2017

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