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A + c =150 9a + 6c = 1155

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asked May 4, 2017 100k views

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A + c =150
9a + 6c = 1155

Mathematics
high-school

Mark Carpenter Jr asked

by Mark Carpenter Jr

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1 Answer

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$a+ c =150\\ 9a + 6c = 1155\\\\ a+c=150\\ 3a+2c=385\\\\ -2a-2c=-300\\ \underline{3a+2c=385}\\ a=85\\\\ 85+c=150\\ c=65$

Ben Haley answered May 9, 2017

by Ben Haley

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A + c =150 9a + 6c = 1155

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