Melanie buys 2 shells for $0.80. Rosi buys 3 shells for $1.20. Carlos buys 4 shells for $1.60. The relati and the cost of the shells, y, is proportional and can be represented by the equation y = 0.40x. Determine if the following points or figures can be represented by the equation y = 0.40x. (2,0.80) (3, 1.20) (1,0.20) (4,1.60) Gift Shop Shells Gift Shop Shells 2.00Ay 1.60 1.40 1.20 1.00 Cost (S) 8 83238 8 8 8 Cost ($) 0.80 0.60 0.40 0.20 O 0 12345 0 1 2 3 4 5 6 Number of Shells Number of Shells Represented by the equation y = 0.40x Not represented by the equation y = 0.40x