SOLUTION: what grade did a student receive on test one, if he received a 50, a 70, and a 90 on the other three test znc his test average is a 75 percent?
Algebra.Com
Question 276737: what grade did a student receive on test one, if he received a 50, a 70, and a 90 on the other three test znc his test average is a 75 percent?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(X+50+70+90)/4=75
(X+210)/4=75
X+210=75*4
X+210=300
X=300-210
X=90 IS THE GRADE FOR THE FIRST TEST CORE.
RELATED QUESTIONS
Joe received a 100 on one math test and 75 on the next. What grade does he have to... (answered by jorel1380)
A student averages 84 on five test. If the student received grades of 84,82,81, and 79 on (answered by algebrahouse.com)
a student received grades of 79, 90 and 83 on the three math tests. what grade does the... (answered by Alan3354)
a student received grades of 75, 90, and 83 on three math tests. What grade does the... (answered by stanbon,lwsshak3)
A student has an average of 86 in three examination. What grade must he/she receive on... (answered by ewatrrr)
A student has an average of 86 in three examination. What grade must he/she receive on... (answered by rfer)
If a student has grade of 90,78, and 82 on the first three math test, what steps would... (answered by stanbon,richwmiller)
JON wants a grade of 80% in Science. He currently has two test scores. If his scores are... (answered by josmiceli,jim_thompson5910)
a student has forgotten the following grades on his test: 87,95, 86, and 88. he needs to... (answered by addingup)