SOLUTION: Ray had scores of 75, 82, 94 and 77 on his first four math tests. What must he score on the next test to have an average of at least an 85? Set up and show an inequality.

Question 936577: Ray had scores of 75, 82, 94 and 77 on his first four math tests. What must he score on the next test to have an average of at least an 85? Set up and show an inequality.
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
(75+82+94+77 + x)/5 >= 85
(75+82+94+77) + x >= 85*5
x >= 85*5 - (75+82+94+77)
x >= 97
---
Free algebra tutoring live chat:
https://sooeet.com/chat.php?gn=algebra
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations with quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
RELATED QUESTIONS
Hello, I need help defining a variable, writing and solving this inequality: Ray (answered by ankor@dixie-net.com)

Quinn's test scores are 95,90,and 83.what must he score on his next test to have an... (answered by ewatrrr)

Thad has scores of 87, 83, and 80 on his first three algebra tests. What score must he... (answered by jim_thompson5910)

Juan received scores of 82 76 93 and 80 on his first four chemistry test of the year. his (answered by fractalier)

Grimley had scores of 88,92,93, and 89 on his first four algebra tests. What score must... (answered by aaaaaaaa)

Solve the problem. Jim has gotten scores of 82 and 60 on his first two tests. What... (answered by ewatrrr)

Jim has gotten scores of 82 and 60 on his first two tests. What score must he get on his... (answered by ewatrrr)

Amanda's first four test scores are 77, 95, 84, and 69. What does Amanda need to score on (answered by MathLover1)

Johns test scores are 95,90,83. What must he score on his next test to have an average... (answered by shweta)