SOLUTION: A bookcase is to have four shelves, including the top. The height of the bookcase is to be 2 feet more than the width and only 20 feet of lumber is available. Use an equation to de

Algebra ->  Probability-and-statistics -> SOLUTION: A bookcase is to have four shelves, including the top. The height of the bookcase is to be 2 feet more than the width and only 20 feet of lumber is available. Use an equation to de      Log On


   



Question 631866: A bookcase is to have four shelves, including the top. The height of the bookcase is to be 2 feet more than the width and only 20 feet of lumber is available. Use an equation to determine the width and height of the bookcase.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
4w+2h=20;
h=w+2
4w+2(w+2)=20
4w+2w+4=20
6w=16
3w=8
w=8/3
h=8/3+6/3=14/3