Asked by Seymour
rectangular room is
3
3
times as long as it is wide, and its perimeter is
40
40
meters. Find the dimension of the room.
The length is : meters and the width is
3
3
times as long as it is wide, and its perimeter is
40
40
meters. Find the dimension of the room.
The length is : meters and the width is
Answers
Answered by
PsyDAG
L = 3W
2L + 2W = 40
Substitute 3W for L in the second equation and solve for W. Insert that value into the first equation to solve for L. Check by putting both values into the second equation.
2L + 2W = 40
Substitute 3W for L in the second equation and solve for W. Insert that value into the first equation to solve for L. Check by putting both values into the second equation.
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