Tuesday

July 22, 2014

July 22, 2014

Posted by **Steve** on Friday, June 3, 2011 at 2:51am.

- Algebra -
**Anonymous**, Friday, June 3, 2011 at 4:36ama=first score

b=second score

b=a-11

(a+b)/2=79

a+a-11=2*79

2a-11=158

2a=158+11

2a=169 Divide with 2

a=169/2= 84.5

b=a-11

b=84.5-11

b=73.5

(a+b)/2= (84.5+73.5)/2=158/2=79

**Related Questions**

college - use the five steps for problem solving. the average of two test scores...

Prealgebra - A teacher was comparing results on two sets of test scores for a ...

Math - Averages - The test average for Louis' calculus class is found by taking ...

maths - the mean of a set of test scores is 64. a new student takes the same ...

Derrick - John kept track of all his math and reading test scores throughout the...

Algebra - 89, 88, 78, 95, 92 Sadye has the Algebra test scores shown. If her ...

Statistics - Suppose that two different tests A and B are to be given to a ...

statistics - the admissions policy at a certain university requires that ...

statistics - the admissions policy at a certain university requires that ...

MATH - ADAM TRIED TO COMPUTE THE AVERAGE OF HIS 7 TEST SCORES. HE MISTAKENLY ...