SOLUTION: 2kg of tea and 3 kg of coffee cost $145. 3 KG of tea and 2 kg of coffee cost 135$. Find the cost of 1 kg of tea and 1 kg of coffee? Please help. Thanks

Algebra ->  Linear-equations -> SOLUTION: 2kg of tea and 3 kg of coffee cost $145. 3 KG of tea and 2 kg of coffee cost 135$. Find the cost of 1 kg of tea and 1 kg of coffee? Please help. Thanks      Log On


   

Question 1129503: 2kg of tea and 3 kg of coffee cost $145. 3 KG of tea and 2 kg of coffee cost 135$. Find the cost of 1 kg of tea and 1 kg of coffee? Please help. Thanks
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
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Three KG of tea and 2 kg of coffee....


system%282t%2B3c=145%2C3t%2B2c=135%29

Add them:
5t%2B5c=280
t%2Bc=56-----------Try to work with this equation, and either of the other system equations.