Answer to Question #1451 in Algebra for ninoshka bones
How to make a rectangular berry tart th length of the tart has to be twice its width in a area of 72 square inches.What dimensions can be use to make a tart with an area of 72 square inches?
Denote the width as X, then the length would be 2X.
The area of the tart is
S = 2X2 = 72
X2 = 36
X = 6.
The width is 6 inches, the length is 12 inches.