Average

The arithmetic mean of the two numbers is 67.5. One number is -31. Calculate the second number.

Correct answer:

b =  166

Step-by-step explanation:

a=31 m=67.5  m = 2a+b 2m = a+b  b=2ma=2 67.5(31)=166



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Looking for help with calculating arithmetic mean?
Looking for a statistical calculator?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: