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11-02-2017
Mathematics

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FIND X PLZZZZZ I NEED HELP BADLY IDK THE ANSWER OR HOW TO DO IT

FIND X PLZZZZZ I NEED HELP BADLY IDK THE ANSWER OR HOW TO DO IT class=

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11-02-2017

I suppose we have to find the lengh of the sides.
Area = lenght × width
288 = (3x) × (2x+10)
288 = 3x (2x+10)
288 = 6x + 30x
288 = 36x
288/36 = x
8 = x

therefore the sides are

3x = 3×8 = 24 inches
2x+10 = 2×8 + 10 = 16 +10 = 26 inches

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