The problem asks for the percentage of the shape that is blue. The shape is a grid of 5 rows and 5 columns. We need to determine the number of blue squares and divide by the total number of squares (25), then multiply by 100 to express the answer as a percentage.

ArithmeticPercentageAreaProportion
2025/4/18

1. Problem Description

The problem asks for the percentage of the shape that is blue. The shape is a grid of 5 rows and 5 columns. We need to determine the number of blue squares and divide by the total number of squares (25), then multiply by 100 to express the answer as a percentage.

2. Solution Steps

First, count the number of blue squares.
From the figure, there are 18 blue squares.
The total number of squares in the grid is 5×5=255 \times 5 = 25.
To find the percentage of blue squares, divide the number of blue squares by the total number of squares and multiply by
1
0

0. Percentage of blue squares $= \frac{\text{Number of blue squares}}{\text{Total number of squares}} \times 100$

Percentage of blue squares =1825×100= \frac{18}{25} \times 100
Percentage of blue squares =0.72×100= 0.72 \times 100
Percentage of blue squares =72= 72

3. Final Answer

72%

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