SOLUTION: Kaitlin has scored 28, 19, and 30 points in her three basketball games so far. How many points does she need to score in her next game so that her average (mean) is 26 points per g

Algebra ->  Average -> SOLUTION: Kaitlin has scored 28, 19, and 30 points in her three basketball games so far. How many points does she need to score in her next game so that her average (mean) is 26 points per g      Log On


   

Question 931708: Kaitlin has scored 28, 19, and 30 points in her three basketball games so far. How many points does she need to score in her next game so that her average (mean) is 26 points per game?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
(28 + 19 + 30 + x)/4 = 26
(28 + 19 + 30) + x = 26*4
x = 26*4 - (28 + 19 + 30)
---
answer:
x = 27
---
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