Mathematics, 22.10.2020 17:01 BabyG1353

Melanie buys 2 shells for $0.80. Rosi buys 3 shells for $1.20. Carlos buys 4 shells for $1.60. Use the graph to represent this situation. Is there a proportional relationship between the cost and the number of shells? If so, what does the constant of proportionality mean in this situation?

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Melanie buys 2 shells for $0.80. Rosi buys 3 shells for $1.20. Carlos buys 4 shells for $1.60. Use t...