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30-01-2018
Mathematics

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A television and DVD player cost a total of $1257 the cost of the television is two times the cost of the DVD player find the cost of each of item

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ChubbyFubby ChubbyFubby

30-01-2018

tv=t
dvd=d

t+d=1257

t=2d
d=d

2d+d=1257

3d=1257

divide 3 from each side

d=419

t= 2 (419)
t=838

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