Wire fence

The wire fence around the garden is 160 m long. One side of the garden is three times longer than the other. How many meters do the individual sides of the garden measure?

Correct answer:

a =  60 m
b =  20 m

Step-by-step explanation:

2(a+b)=160 a=3b  2 (a+b)=160 a=3 b  2a+2b=160 a3b=0  Row221 Row1Row2 2a+2b=160 4b=80  b=480=20 a=21602b=21602 20=60  a=60 b=20

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