SOLUTION: what is the answer to A grocer mixes two kinds or nuts. One kind costs $5.00/kg and the other $5.80/kg. How manykilogramsof each type are neededto make 40kg of a blend worth $5.50

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Question 122103This question is from textbook algebra structure and method
: what is the answer to A grocer mixes two kinds or nuts. One kind costs $5.00/kg and the other $5.80/kg. How manykilogramsof each type are neededto make 40kg of a blend worth $5.50. This question is from textbook algebra structure and method

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
5x+5.8(40-x)=5.5*40
5x+232-5.8x=220
-.8x=220-232
-.8x=-12
x=-12/-.8
x=15 kg of $5.00 nuts.
40-15=25 kg of $5.80 nuts.
proof
5*15+5.8*25=220
74+145=220
220=220