SOLUTION: An open-topped box is made from a piece of cardboard measuring 20cm by 25cm. The sides of the box are formed by removing a square from each corner. The base of the box has an area

Question 1072656: An open-topped box is made from a piece of cardboard measuring 20cm by 25cm. The sides of the box are formed by removing a square from each corner. The base of the box has an area of 300cm^2.
a) Write an equation to represent the situation.
b) Use the quadratic formula to determine what amount needs to be removed from each side.
c) What are the dimensions of the box?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
x, the side length of each square corner to remove.

Area of the two dimensions for the base

Assuming the MINUS-form works better,

-
(The PLUS-form, giving x=20, will not work in the description.)
RELATED QUESTIONS
An open-‐topped storage box is to be made from a sheet of cardboard 8 feet by 10... (answered by josgarithmetic)

an open-topped box is constructed from a rectangular piece of cardboard that is twice as... (answered by ikleyn,Theo)

An open-topped box is constructed froma square piece of cardboard by removing a square... (answered by MathLover1,greenestamps)

An open-topped box can be created by cutting congruent squares from each of the four... (answered by josgarithmetic,ikleyn)

A square based boxed with an open top into be made from a square piece of cardboard that... (answered by mananth)

an open topped box is made from a rectangular piece of cardboard, with the dimensions 24... (answered by checkley77,ankor@dixie-net.com)

A square piece of cardboard is formed into an open box (not top) by removing a 1.5 inch... (answered by fastblue)

An open box is formed from a rectangular piece of cardboard that is 3 in. longer than it... (answered by stanbon,ikleyn,richwmiller)

An open box is formed from a rectangular piece of cardboard, whose length is 3 inches... (answered by texttutoring)