Two accounts earn simple interest. The balance y (in dollars) of Account A after x years can be?

... modeled by y=20x+400. Account B starts with $550 and earns 3% simple annual interest. Question - Which account has a greater principal? How much

... modeled by y=20x+400. Account B starts with $550 and earns 3% simple annual interest. Question - Which account has a greater principal? How much greater is the principal? Question -Which account has a greater annual interest rate? How much greater is the annual interest rate?

or:... modeled by y=20x+400. Account B starts with $550 and earns 3% simple annual interest. Question - Which account has a greater principal? How much greater is the principal? Question -Which account has a greater annual interest rate? How much greater is the annual interest rate?

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