SOLUTION: Kim�s average score on her first three math tests is 78. She scored 63 on the first test. On the third test, she scored 9 more than he scored on her second test. What did she score

Question 315550: Kim�s average score on her first three math tests is 78. She scored 63 on the first test. On the third test, she scored 9 more than he scored on her second test. What did she score on the second and third tests? Set up an equation, then solve and explain.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let S be the score from the second test, T the score from the third.

.
.

Then from above,

RELATED QUESTIONS
Cece scored a 78 on her first math test. She scored an 84 on her second test. What is the (answered by rfer,josmiceli)

Gabriella had to take three tests in her accounting class. She scored 71 points on her... (answered by stanbon)

Gabriela had to take three tests in her accounting class. She scored 71 points on her... (answered by solver91311,rfer)

Rita has scored 64, 71, and 83 on her previous three tests. What score does she need on... (answered by oberobic)

Melinda scored 84%, 75% and 77% on her first three tests of the term. What score will she (answered by Boreal,ewatrrr)

The grade in Ma. Elena’s history class will be determined completely by three tests,... (answered by Boreal,MathTherapy,ikleyn)

This problem is absolutely stumping me...any help would be appreciated. "A student... (answered by fractalier,stanbon)

Jake's average score on the first for math tests is 83. On his first test he scored a 72... (answered by Cromlix)

Thi has taken four math tests. She scored 96 on her first test. For each of the next... (answered by ankor@dixie-net.com)