blakemansixp5v0sd blakemansixp5v0sd

12-08-2018
Mathematics

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The cost of DVD players has dropped by $20 each year. If a DVD player cost $189 four years ago, how much does it cost today

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Denny510 Denny510

12-08-2018

it costs $189-(4×$20) which is $189-$80=$109

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