SOLUTION: I'm having trouble with a word problem. A rectangular family room is twice as long as it is wide, and its area is 98 square feet. Find the dimensions of the family room.

Question 545982: I'm having trouble with a word problem.
A rectangular family room is twice as long as it is wide, and its area is 98 square feet. Find the dimensions of the family room.
Found 2 solutions by stanbon, JBarnum:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A rectangular family room is twice as long as it is wide, and its area is 98 square feet. Find the dimensions of the family room.
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Let width be "x".
Then length is "2x".
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Equation:
x*(2x) = 98
2x^2 = 98
x^2 = 49
x = 7 ft. (width)
2x = 14 ft. (lenght)
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Cheers,
Stan H.
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Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
formula
area given
length given
substitution
solve for W
take sqrt

check

correct

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