asked 112k views
10 votes
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.

asked
User Shandell
by
7.5k points

1 Answer

7 votes

Answer: 5

Step-by-step explanation: 100/20=5

answered
User Vikram Thakur
by
7.6k points
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