Carolina walked to school on 12 of the 20 school days in March. Which value is NOT equivalent to the fraction of the school days in March that Carolina walked to school?

Responses
A 60%60%
B 0.060.06
C 0.600.60
D 3/5

A, B, and D all represent equivalent fractions or decimals to 12/20, which simplifies to 3/5. The answer is C, as 0.60 is equivalent to 60/100 or 6/10, which is not the same as 3/5.