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Mathematics, 19.03.2021 04:20 marioshadowman12

Two communications companies offer calling plans. With Company X, it costs 30¢ to connect and then 3¢ for each minute. With Company Y, it costs 20¢ to connect and then 2¢ for each minute. Write and simplify an expression that represents how much more Company X charges, in cents, for n minutes.

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