If 8kg of coffee costing $2000 a kg is mixed with 12kg of another kind of coffee costing $2200. What is the cost of the mixture per kg

Answer 1

2000$ + 2200$ = 4200$

4200$/20$ = 210$

Answer 2

Sarim's solution above makes absolutely no sense

consider this one:

http://www.jiskha.com/display.cgi?id=1462219074