Can a 15×7 rectangle be subdivided into 3×5 rectangles?
June 29, 2021 | education
| 1) Calculate the area of the original rectangle: 15 * 7 = 105.
2) Calculate the area of the rectangles into which you want to divide the original: 3 * 5 = 15.
3) Divide the resulting areas: 105/15 = 7.
Conclusion: since the division received an integer, it means that the 15×7 rectangle can be divided into 3×5 rectangles and their number will be 7.

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