Answer:
The correct answer is 7.
Explanation:
The 7 in 72 represents how many times the value of the 7 in 78.
To find the answer, you need to understand the place value of digits in a number. In the number 78, the digit 7 is in the tens place, and the digit 8 is in the ones place. So, the 7 in 78 represents 7 times the value of the 7 in 78.
The correct answer is 7.