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dolphi86 [110]
2 years ago
14

A television and a DVD player cost a total of 1296. The cost of the television is two times the cost of the DVD player. find the

cost of each item.
Mathematics
1 answer:
seraphim [82]2 years ago
6 0
You can write out the equation like so: t = 2(d) and the dvd costs d. So, d + 2d = 1296. Which is also 3D=1296. So divide 1296/3 to solve for the cost of the DVD player = 432 and the cost of the tv is 2(d) or 2 x 432 = 864.
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Help plz I don't uderstand any of these
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So, all you would do is use distribution.
For example: D is .5(x+3) = -3(x-.5)
you would do
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Then, you would just get x by itself.

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