Answers

2015-01-05T16:58:13+08:00
Let x be the width
4x be the length

sol:
2(l+w)=300
2(x + 4x)=300
2(5x)=300
10x=300
x=30
length= 30 * 4 = 120
therefore, the width is 30cm and the length is 120cm

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