Mathematics, 29.03.2020 03:23, angelo816

To mail a letter to Vienna, Austria the post office charges a flat rate of $9.75 and an additional $0.50 for every ounce the letter weighs. The cost of mailing a letter is determined by the equation y=0.50x+9.75, where y is the cost of the postage and x is the weight of the letter in ounces.

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To mail a letter to Vienna, Austria the post office charges a flat rate of $9.75 and an additional $...