What is 7.68 as a mixed number?

To convert 7.68 to a mixed number, we first note that the whole number part is 7. The decimal part .68 can be converted to a fraction by placing it over 100 (since there are two decimal places). Therefore, .68 = 68/100 = 17/25. Combining the whole number and the fraction, we get 7 17/25 as the mixed number representation of 7.68.