SOLUTION: The length of a rectangle is 6 centimeters less than twice its width. The perimeter of the rectangle is 30 centimeters. What are the dimensions of the rectangle?
Its a multiple
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Question 764753: The length of a rectangle is 6 centimeters less than twice its width. The perimeter of the rectangle is 30 centimeters. What are the dimensions of the rectangle?
Its a multiple choice question.
A. length= 5 cm; width= 10 cm B. length= 12 cm; width= 9 cm
C. length= 8 cm; width= 7 cm D. length= 7 cm; width= 8 cm
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
given:
The length of a rectangle is than its width:
then we have ........eq.1
the perimeter of the rectangle is :
if , then .....eq.2
now substitute from eq.1 in eq.2
......solve for
now go back to eq.1 and find the
........eq.1......plug in
so, your answer is C. ;
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