Andrew has a summer job doing yard work. He is paid $5 per hour and a $20 bonus when he completes the yard. He was paid $85 for
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Let w be the width and l the length of the rectangle.
Then:
Solving the above system we get:
Therefore:
then 
,which is the length,
And then the width
Then:
Solving the above system we get:
Therefore:
And then the width