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Writing Equations 2

Algebra Level 1

Sam (S) owns three times as many marbles as Jenny (J). Ed (E) owns half as many marbles as Jenny. How many marbles (M) do they own together?

E+S=J 3S+J+0.5E=M 3J+J+0.5J=M J+2.5J=M

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by Jordan Calmes

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