Answer:
P=L+W+L+W=2L+2W=48
Therefor, L+W=24
From the given information L=3W
Using substitution: 3W+W=24
4W=24
W=6
L=3(6)=18
length = 18cm
breadth = 6 cm
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Verified answer
Answer:
P=L+W+L+W=2L+2W=48
Therefor, L+W=24
From the given information L=3W
Using substitution: 3W+W=24
4W=24
W=6
L=3(6)=18
Answer:
length = 18cm
breadth = 6 cm