SOLUTION: Sariqs last test scores in history were 87, 85,91,and 88. What scores on his next test will give him an average of 90 or above? Write and solve an inequality.

Question 985988: Sariqs last test scores in history were 87, 85,91,and 88. What scores on his next test will give him an average of 90 or above? Write and solve an inequality.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

In order to have a 90 or greater average on 5 tests, the sum of the scores of the 5 tests must be greater than or equal to 5 times 90. Add the scores already obtained and subtract that sum from the required 5 times 90. The result will be the minimum score required for a 90 average.

John

My calculator said it, I believe it, that settles it
RELATED QUESTIONS
Sariq's last four test scores in history were 87,85,91, and 88. What scores on his next... (answered by ewatrrr)

Antonio's first four test scores were 85, 92, 91, and 80. What must the score on his next (answered by ikleyn)

sam has grades of 94 and 88 on his first two math tests. what possible scores on a third... (answered by ikleyn)

Students in a math class need an average of at least 90 points to earn an A. One students (answered by nerdybill)

A student in an algebra course has test scores of 73, 87, 71, and 85. What score on the... (answered by MathLover1)

John has a total of 4 tests. His scores so far are 88, 90, and 94. He has to average at... (answered by mananth,JBarnum)

The average of the 5 highest scores on a history test was 95. Four of the scores were 91, (answered by jorel1380)

Kyle made scores of 85, 56, 91 on his first three test. What does he have to make in his... (answered by macston)

Kathy has test scores of 88, 90, 91, and 78. What must she score on her next test to have (answered by lynnlo)