Posted by **Carl** on Saturday, September 21, 2013 at 2:15pm.

The average of 20,70 and x is 40. If the average of 20,70, x and y is 50, then y=

a. 30

b. 60

c. 70

d. 80

e. 100

## Answer This Question

## Related Questions

- math-average - What is SUM AVERAGE? The professor mentioned that the exam ...
- from my 11:40 post - if the average speed of ALL 5 coasters is no more than 91 ...
- Math - An instructor gives regular 20-point quizzes and 100-point exams in a ...
- Math - In Wilbur's math class, his grade is based on the average score of six ...
- Pre Algebra - In Wilbur's math class, his grade is based on the average score of...
- Math/Algebra - In a certain game, each of 5 players received a score between 0 ...
- Chemistry Last - Last question: An average person expends ~100 kj to walk 1km. ...
- Math 208 - Grade Average A student scores 65 and 82 on two different 100-point ...
- mathematics (percentages) - math problem: pedro wants to calculate his gpa. he ...
- ECONOMICS - suppose that the short run costs for a paintbrush manufacturer are ...

More Related Questions