SOLUTION: After five games of bowling, Ralphs average score was 91. After six games his average score was 89. What was his score in the sixth game ?

Question 929006: After five games of bowling, Ralphs average score was 91. After six games his average score was 89. What was his score in the sixth game ?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = sum of first five games' scores
y = score on sixth game
---
x/5 = 91
x = 91*5
---
(x + y)/6 = 89
x + y = 89*6
---
x + y = 89*6
91*5 + y = 89*6
y = 89*6 - 91*5
y = 79
---
answer:
y = score on sixth game = 79
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php
RELATED QUESTIONS
After bowling four games, Rita's average was 99. What must she score in the 5th game to... (answered by richwmiller)

After 5 games, the basketball teams average score was 88 points. After 6 games their... (answered by stanbon)

Bill gates obtained a total score of 1980 points in the three computer games. His average (answered by ewatrrr)

Jane played 10 computer games. Her average score was 304. After her 11th game, her... (answered by ikleyn,greenestamps)

fred scored an average of 32 points in the first 3 games of the series.However his... (answered by ankor@dixie-net.com)

Kiana's average test score after 3 tests was 89%. After the 4th test her average raised... (answered by FightinBlueHens)

Her average was 91 after her sixth test it went to 89 what was her score on the sixth... (answered by ankor@dixie-net.com)

After five tests Allisons average score was 88. After six tests her average score had... (answered by Boreal)

Harry averaged 70 for four straight games, and then disaster struck because after the... (answered by Cromlix)