SOLUTION: Your test scores for the semester are 87, 84, and 85. Can you raise your test average to 90 with your next test? Define the variable and write an equation. Then solve.
Algebra ->
Average
-> SOLUTION: Your test scores for the semester are 87, 84, and 85. Can you raise your test average to 90 with your next test? Define the variable and write an equation. Then solve.
Log On
Question 666246: Your test scores for the semester are 87, 84, and 85. Can you raise your test average to 90 with your next test? Define the variable and write an equation. Then solve. Answer by ReadingBoosters(3246) (Show Source):
You can put this solution on YOUR website! x = score needed on 4th test
Solve for x
...
Multiply both sides by 4
256 + x = 360
x = 360 - 256
Only with bonus points!
.....................
Delighted to help.
-Reading Boosters
Wanting for others what we want for ourselves.
www.MyHomeworkAnswers.com