Question: I keep messing up this problemm from cal 1 and want to know what my mistake is The top and bottom margins of a poster
I keep messing up this problemm from cal 1 and want to know what my mistake is

The top and bottom margins of a poster are 2 cm and the side margins are each 6 cm. If the area of printed material on the poster is fixed at 390 square centimeters, find the dimensions of the poster with the smallest area. printed material Width = (include units) Height = (include units )
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