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Plant A is 18 inches tall after one week, 36 inches tall after two weeks, 56 inches tall after three weeks. Plant B is 18 inches tall after one week, 36inches tall after two weeks, 54 inches tall after three weeks. Which situation represents a proportional relationship between the plants’ height and number of weeks?

Answer :

Plant B is the most proportional because 18+18+18=54 and plant A described 18+18+20 so plant b grew exactly 18 inches per week which is proportional but plant A did not grow proportionally so The situation that presents a proportional relationship between the plants height and number of weeks would be plant B

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