find the cost per kilo of a coffee mixture made from 8 kls of coffee that cost $90 pero kilo and 12 kls of coffee that cost $55 pero kilo.

thanks

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- Aug 5th 2012, 10:06 AMrcsmixture problem
find the cost per kilo of a coffee mixture made from 8 kls of coffee that cost $90 pero kilo and 12 kls of coffee that cost $55 pero kilo.

thanks - Aug 5th 2012, 10:16 AMskeeterRe: mixture problem
- Jun 25th 2013, 04:09 AMbrosnan123Re: mixture problem
8 kls = $90.00 = 90*8 =720--------- 1

12 kls = $55.00 = 55*12 = 660 --------- 2

Then the mixture of both is 20 Kls

Total of equation 1 & 2 is 1380

So , the mixture of 1 kls = (1380/20) = $69 / kls