3 roads, A, B, and C. B is three times longer than A. C is twice as long as B. Draw the roads. What fraction of the total length
1 answer:
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Ok I think it means that the length 
of the rectangle is 2 m more than is width 
...
The area is A=
so:
Solving this equation (using the quadratic formula) you get 2 solutons. The only acceptable is the positive one, i.e.
, the length will then be 
.
The area is A=
so:
Solving this equation (using the quadratic formula) you get 2 solutons. The only acceptable is the positive one, i.e.