it is less than 60 and greater than 55. if you add the digits, the sum is 13

56, 57, 58, 59

Which number has digits that add up to 13?

58

To find a number that is less than 60 and greater than 55, and where the sum of its digits is 13, we can follow these steps:

Step 1: Determine the possible options for the tens digit:
Since the number should be less than 60, the tens digit can only be 5 or 6.

Step 2: Calculate the possible value for the units digit:
The sum of the digits should be 13, so if the tens digit is 5, the units digit should be 13 - 5 = 8. If the tens digit is 6, the units digit should be 13 - 6 = 7.

Step 3: Combine the tens and units digit:
If the tens digit is 5 and the units digit is 8, the number is 58.
If the tens digit is 6 and the units digit is 7, the number is 67.

Therefore, there are two numbers that satisfy the given conditions: 58 and 67.