5 , 775÷77

Rewrite the division as a fraction.

5,77577

The mean of a set of numbers is the sum divided by the number of terms.

5+775772

To write 5 as a fraction with a common denominator, multiply by 7777.

5⋅7777+775772

Combine 5 and 7777.

5⋅7777+775772

Combine the numerators over the common denominator.

5⋅77+775772

Simplify the numerator.

Multiply 5 by 77.

385+775772

Add 385 and 775.

1160772

1160772

1160772

Multiply the numerator by the reciprocal of the denominator.

116077⋅12

Factor 2 out of 1160.

2(580)77⋅12

Cancel the common factor.

2⋅58077⋅12

Rewrite the expression.

58077

58077

Divide.

7.532467‾

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

7.5

Find the Mean (Arithmetic) 5 , 775÷77