SOLUTION: If 30 lb of rice and 30 lb of potatoes cost $31.80, and 20 lb of rice and 12 lb of potatoes cost $17.52, how much will 10 lb of rice and 50 lb of potatoes cost? let x be the cos

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Question 1048560: If 30 lb of rice and 30 lb of potatoes cost $31.80, and 20 lb of rice and 12 lb of potatoes cost $17.52, how much will 10 lb of rice and 50 lb of potatoes cost?
let x be the cost of 1lb of rice and y be the cost of 1 lb of potatoes. Set up two linear equations from the given information using x and y as the variables.


Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
30x + 30y = 31.80
20x + 12y = 17.52

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