Write and solve an equation that represents the following math sentence.

Twenty-nine equals the sum of 11.5 and the quotient of a number and 2.5.

29 equals 11.5 plus m over 2.5; m = 43.75
29 equals 11.5 plus m over 2.5; m = 7
29 = 11.5 + 2.5m; m = 43.75
29 = 11.5 + 2.5m; m = 7