What percentage of the model is shaded, considering each square in the rectangular model is of equal size?

In the figure below, some parts are shaded.What percentage of the whole square is shaded?

Each large rectangle below represents one whole. A rectangular model partitioned into 5 equal parts. 5 parts are shaded. A rectangular model partitioned into 5 equal parts. 4 parts are shaded.What percent is represented by the shaded area?

The large rectangle below represents one whole. What percent is represented by the shaded area?

The square below represents one whole.An array with 10 columns and 10 rows that represents 1 whole. 9 rows of 10 are shaded. 1 row of 2 is shaded.What percent is represented by the shaded area?

This model shows a unit square divided into smaller square tiles. The shaded tiles form a rectangle.Use fractions to complete the sentences.The side length of each small tile is units.The area of each small tile is square units.The area of the shaded rectangle is square units.