Imagine that a 10 × 10 grid has value 300 and that this value is divided evenly among the small squares. In other words, each small square is worth 3. Use a new grid for each part of this problem, and label each grid “Value : 300.” What is the value of 25 squares?
Solution:
Given, the figure represents a 10 × 10 grid with value 300.
This value is divided evenly among the small squares. In other words, each small square is worth 3.
We have to find the value of 25 squares.
Total grid = 10 × 10 = 100
Value of total grid = 300
Value of one square = 300/100
= 3
So, 25 squares worth = 25 × 3
= 75
Therefore, the value of 25 squares is 75.
✦ Try This: Imagine that a 9 × 9 grid has value 192 and that this value is divided evenly among the small squares. In other words, each small square is worth 2. Use a new grid for each part of this problem, and label each grid “Value : 192.” What is 18% of 192
☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 8
NCERT Exemplar Class 7 Maths Chapter 7 Problem 81 (b)
Imagine that a 10 × 10 grid has value 300 and that this value is divided evenly among the small squares. In other words, each small square is worth 3. Use a new grid for each part of this problem, and label each grid “Value : 300.” What is the value of 25 squares
Summary:
The value of 25 squares is 75.
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