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

Twenty-six equals the sum of 13.5 and the quotient of a number and 2.5.

26 equals 13.5 plus m over 2.5; m = 5
26 equals 13.5 plus m over 2.5; m = 31.25
26 = 13.5 + 2.5m; m = 5
26 = 13.5 + 2.5m; m = 31.25