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
Algebra ->
Linear-equations
-> 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.
