SOLUTION: Michael scored 68, 77, and 98 on three test. He needs to have an average of at least 85. what must he score on the forth test?
Algebra.Com
Question 353124: Michael scored 68, 77, and 98 on three test. He needs to have an average of at least 85. what must he score on the forth test?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Michael scored 68, 77, and 98 on three test. He needs to have an average of at least 85. what must he score on the forth test?
.
Let x = score on fourth test
then
(68+77+98+x)/4 >= 85
(243+x)/4 >= 85
243+x >= 340
x >= 97
.
He has to score a 97 or higher.
RELATED QUESTIONS
Michael Scored 68,88, and 91 on three algebra Tests. What must he score on the fourth... (answered by ewatrrr)
A student scored 65,86,and 98 on three algebra test. What must he score on the fourth... (answered by scott8148)
A student scored 71, 83, and 96 on threee algebra test. what must he score on the forth... (answered by ewatrrr)
a student scored 69,89,93 on three algebra test. what must he score on the fourth test in (answered by solver91311)
a student scored 71,83, & 96 on three algebra tests. What must he score on the 4th test... (answered by josmiceli)
A student scored 67, 81, and 98 on three algebra tests.What must he score on the fourth... (answered by ewatrrr)
A student scored 67, 81, and 98 on three algebra tests.What must he score on the fourth... (answered by josmiceli)
A student scored 71, 83, and 96 on three algebra tests. What must he score on the fourth (answered by stanbon,solver91311)
a student scored 71, 83, and 96 on three algebra tests. what must he score on the fourth... (answered by solver91311)