Question 1109063
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Was solved probably 40 times in this forum.  See the links


https://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.1066600.html


https://www.algebra.com/algebra/homework/word/geometry/Geometry_Word_Problems.faq.question.992571.html


https://www.algebra.com/algebra/homework/Angles/Angles.faq.question.1086026.html


https://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.399329.html


and many other that you can GOOGLE with the keywords "<U>Cynthia Besch wants to buy a rug for a room algebra.com</U>"  .



Take any of these solutions as your SAMPLE, read it and then solve your problem.