24:2+8

20

Reason: In 24:2+8, the colon means division. So compute 24 ÷ 2 = 12, then add 8: 12 + 8 = 20.

Note: If it were meant as 24:(2+8) = 24/10 = 2.4, parentheses would be needed. Would you like more practice with this type?