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nellyp

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One more problem... An orange contains 50 mg of calcium and 0.5 mg of iron. An apple contains 8 mg of calcium and 0.4 mg of iron. How many of each are required to obtain 151 mg of calcium and 2.55 mg of iron?
Thanks so much helped out a lot. I got one question when both equations are subtraction do I leave them the same or switch them from subtraction to addition
helper can you show me the work because I did what you said and stll came up with the wrong answer. Solve the systems equations by elimination. 7x+3y=-1.5 2x-5y=-30.3
Can you help me with this problem. Solve the equations by elimination 7x+3y=-1.5 2x-5y=-30.3

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