Asked by Steve

The average of two test scores is 79. If one test score is eleven less than the other, what are the two test scores?

Answers

Answered by Anonymous
a=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
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