Setup the equation from the words as follows:
√
3x/5
=x
Simplify this to:
0=x(5x−3)
Since we are toldx≠0,x=3/5.
You have to multiply your 20cm by 6cm and your final answer being 120 because 0 times 6 is zero and 2 times 6 is 12, then that getting you 120
2x+3 is the answer.................................................................
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