width --- x
length --- 3x + 4
Perimeter = 2width + 2lengths
take it from there
If the length of a rectangle is 4 more than 3 times the width, and the perimeter is 32 meters, what are its dimensions?
Please enter your answer as two numbers without the units, separated by a comma.
2 answers
P = 2L + 2W
P = 2(3W + 4) + 2W
32 = 6W + 8 + 2W
24 = 8W
3 = W
P = 2(3W + 4) + 2W
32 = 6W + 8 + 2W
24 = 8W
3 = W