Based on the information provided, it can be inferred that the number Mrs. Gardner thought of is 52.
How to find the number that Mrs. Gardner thought of?
To find the number we must take into account all the clues they give us, for example:
It is not odd, so we know the number is even.
The sum of their numbers is 7.
- 1 + 6, could be 16 or 61
- 2 + 5, could be 25 or 52
- 3 + 4, could be 34 or 43
It is a multiple of 13.
- The only possible multiple of 13 is 52.
- 52 ÷ 13 = 4
Is greater than 4 × 5 = 20
It is a multiple of 4.
It is less than 7 × 8 + 23 = 79.
Based on the above, the number Mrs. Gardner thought of is 52.
Learn more about numbers in: https://brainly.com/question/17429689