SOLUTION: A student scores 81 and 93 on her first 2 tests. Write and solve a compound inequality to find the possible values for a 3rd test score that would giver her an average between 84 a
Algebra.Com
Question 1049927: A student scores 81 and 93 on her first 2 tests. Write and solve a compound inequality to find the possible values for a 3rd test score that would giver her an average between 84 and 90, inclusive.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
84 <= (81 + 93 + S)/3 <= 90
252 - 174 <= S <= 270- 174
78 <= S <= 96
RELATED QUESTIONS
A student scored 84 and 87 on her first two quizzes. Write and solve a compound... (answered by Boreal)
A student scored 72 and 89 on her first two quizzes. Write and solve a compound... (answered by Boreal)
A student scored 72 and 89 on her first two quizzes. Write and solve a compound... (answered by fractalier)
A student must have an average grade of 90 or grater on five tests in a course to get a... (answered by Earlsdon)
A student scored a 78 and 93 on his first two assignments respectively. He wants an... (answered by tommyt3rd)
Jessica would like to get an A in her algebra class. To do so, she must have an average... (answered by solver91311)
Jessica would like to get an A in her algebra class. To do so, she must have an average... (answered by josgarithmetic)
Jessica would like to get an A in her algebra class. To do so, she must have an average... (answered by ewatrrr)