# maths

of 3 numbers average of first and second number is greaterthan average of second and third number by 39 then what is difference between first and third number

1. (a+b)/2 = (b+c)/2 + 39
a+b = b+c + 78
a-c = 78

posted by Steve

## Similar Questions

1. ### math

Does anyone know how to explain mean, median, mode and range mean?? mean-the average of a group of numbers median-the number that is in the middle in an in order group of numbers mode-most common number in a group of numbers
2. ### Maths Problem

I still don't get it..please help, The average of two numbers is 81. The difference between the number is 26. What is the smaller number?
3. ### Maths Problem

Please help me to solve this.... The average of two numbers is 81. The difference between the number is 26. What is the smaller number?
4. ### MATHS

The average of two numbers is 81. The difference between the number is 26. What is the smaller number?
5. ### maths

1).Last year, a shopkeeper sold an average of 7 cartons of apples from january to april. He sold an average of 9 cartons of apples from june till end of the year. What is the total number of cartons he sold in the 11 months? if
6. ### Technology

1. What function would you use to find the mean in a microsoft(R) excel document A. ROUND B. AVERAGE •• C. SUM D. HYPERLINK 2. What is the first thing you should do to find the mean and range of data? A. put the numbers in
7. ### Education and technology

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from
8. ### technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from
9. ### technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from
10. ### technoligy

1. What function would you use to find the mean in a microsoft(R) excel document a=ROUND b=AVERAGE c=SUM d=HYPERLINK 2. What is the first thing you should do to find the mean and range of data? a=put the numbers in order from

More Similar Questions