Mathematics, 12.12.2019 02:31 muffin261

Three friends are buying seashells at the gift shop on the beach. melanie buys 2 seashells for $0.80. rosi buys 5 seashells for $2.00. carlos buys 4 seashells for $1.60. use a graph to determine whether the number of seashells and the cost have a proportional relationship if so what is the constant of proportionality and what does it mean?

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Three friends are buying seashells at the gift shop on the beach. melanie buys 2 seashells for $0.80...

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