Solve mean(25,30)

$$mean(25,30)$$

Evaluate

$$\frac{55}{2}=27.5$$

Solution Steps

To find the mean of the set 25,30 first add the members together.

$$25+30=55$$

The mean (average) of the set 25,30 is found by dividing the sum of its members by the number of the members, in this case 2.

$$\frac{55}{2}$$

Factor

$$\frac{5 \cdot 11}{2} = 27\frac{1}{2} = 27.5$$