Posted by Anonymous on Wednesday, October 16, 2013 at 9:47pm.
the cost of 5 similar digital cameras and 3 similar camaras is 3213.00$. each video camera cost 4 times as much as each digital camera. john buys a digital camera and a video camera. how much does he pay

math  Reiny, Wednesday, October 16, 2013 at 10:47pm
cost of digital camera  x
cost of video camera  4x
5x + 3(4x) = 3213
17x = 3213
x = 189
take it from there

math  Reiny, Wednesday, October 16, 2013 at 10:48pm
Just realized I answered the same question about a year ago
http://www.jiskha.com/display.cgi?id=1350624298
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