Thread: mixture 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

Originally Posted by rcs

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.

cost/kilo =