I need help in the below problem

The figure is made up of a square and a rectangle. The ratio of the area of the square to the area of the rectangle is 2 : 5. I/4 of the square is shaded.

What fraction of the figure is unshaded?

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- Nov 11th 2011, 02:52 AMkingmanrectangle and square
I need help in the below problem

The figure is made up of a square and a rectangle. The ratio of the area of the square to the area of the rectangle is 2 : 5. I/4 of the square is shaded.

What fraction of the figure is unshaded? - Nov 11th 2011, 03:07 AMalexmahoneRe: rectangle and square
- Nov 11th 2011, 06:11 AMSorobanRe: rectangle and square
Hello, kingman!

Another approach . . .

Quote:

The figure is made up of a square and a rectangle.

The ratio of the area of the square to the area of the rectangle is 2:5.

I/4 of the square is shaded.

What fraction of the figure is unshaded?

Code:`* - - - - - - - *`

| |

| |

| C * - + - *

| |:::| |

| |:A:| |

* - - - - - + - * |

| |

| B |

* - - - *

Let = area of the rectangle.

We have: .

We have: .

Then: .

The unshaded area is: .

The total area is: .

Therefore: .

- Nov 11th 2011, 08:36 AMkingmanRe: rectangle and square