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Mathematics, 26.02.2021 19:40 Tirone

Althea has 100 trading cards and Marlon has 20. Every day Althea gives Marlon one card. Use the equations "c=100-d" and "c=20+d" to model this situation. Solve the system by substitution. Explain what the solution means in this situation.

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Althea has 100 trading cards and Marlon has 20. Every day Althea gives Marlon one card. Use the equa...

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