math
posted by annette .
i am a number between 20 and 30. when you put me into 6 equal groups, there is an even number in each group and 1 is left over. what number am i?

Multiples of 6 =
6, 12, 18, 24, 30.
The only multiple between 20 and 30 is 24.
Add 24 + 1 to find your answer.