ahmed404 ahmed404

24-12-2017
Mathematics

contestada

The cost of a transistor decreases from 400 to 380. What is the percentage of decrease?

Respuesta :

24-12-2017

The amount of the decrease is (400 - 380) = 20 .

As a fraction of the original cost, the decrease is

( 20 / 400 ) = 0.05 = a decrease of 5%

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