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29 March, 04:09

The cost of 2 tv and 3 DVD player is $1421. The cost of 1 dvd is half of the tv. What's the cost of the tv

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  1. 29 March, 04:43
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    The cost of one tv is double than cost of one DVD;

    The cost of 2 tv is 4 times more cost one DVD;

    The cost of 2 tv and 3 DVD player is 7 times more cost one DVD; Then, 1 DVD cost 1421 : 7 = 201 $;

    1 tv cost = 2 * 201 = 402 $;
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