SOLUTION: to make a box top by cutting equal squares from the 4 corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides,if the area of the base is to be 80 sq inches the

Question 280987: to make a box top by cutting equal squares from the 4 corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides,if the area of the base is to be 80 sq inches then what size sq should be cut from each corner.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(11-2x)(14-2x)=80
154-28x-22x+4x^2=80
4x^2-50x+154-80=0
4x^2-50x+74=0

x=(50+-sqrt[-50^2-4*4*74])/2*4
x=(50+-sqrt[2,500-1,184])/8
x=(50+-sqrt1,316)/8
x=(50+-36.277)/8
x=86.277/8
x=10.784 ans.
x=(50-36.277)/8
x=13.723/8
x=1,7154 ans.
RELATED QUESTIONS
Thomas is going to make an open-top box by cutting equal squares from the four corners of (answered by ankor@dixie-net.com)

90. Open-top box. Thomas is going to make an open-top box by cutting equal squares from... (answered by checkley77)

Open-top box. Thomas is going to make an open-top box by cutting equal squares from the... (answered by stanbon,scott8148,MathTherapy,solver91311)

Open-top box. Thomas is going to make an open-top box by cutting equal squares from the (answered by checkley77)

Open-top box. Thomas is going to make an open-top box by cutting equal squares from the (answered by ankor@dixie-net.com)

Open-top box. Thomas is going to make an open-top box by cutting equal squares from the... (answered by solver91311)

Open-top box. Thomas is going to make an open-top box by cutting equal squares from four... (answered by Paul)

Open top box. Thomas is going to make an open-top box by cutting equal squares from the... (answered by scott8148)

Thomas is going to make an open top box by cutting equal squares from the four corners of (answered by solver91311)