SOLUTION: josie has taken 3 math test thus far and earned grades of 87, 93 and 84. She has one tes left for the marking period. What grade must josie receive on her last test to receive at l
Algebra.Com
Question 1095214: josie has taken 3 math test thus far and earned grades of 87, 93 and 84. She has one tes left for the marking period. What grade must josie receive on her last test to receive at least a 90% for the marking period?
Found 2 solutions by Alan3354, addingup:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
josie has taken 3 math test thus far and earned grades of 87, 93 and 84. She has one tes left for the marking period. What grade must josie receive on her last test to receive at least a 90% for the marking period?
-------------
87+93+84 = 264 (I'm almost certain).
-----
(264 + Score)/4 >= 90
264 + Score >= 360
Score >= 96
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
(87+93+84+x)/4 = 90
87+93+84+x = 360
264+x = 360
x = 96 Josie needs to study hard!
RELATED QUESTIONS
A student has taken 3 tests and earned an 85, 80, and 75. She will take one more test... (answered by addingup)
Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the... (answered by solver91311)
Tom’s grades on his first 3 math tests are 82%, 75%, and 93%. What grade on the 4thtest... (answered by solver91311)
A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student... (answered by scott8148)
A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student... (answered by unlockmath)
A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student... (answered by vksarvepalli)
A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student... (answered by checkley77)
A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student... (answered by checkley77)
1. A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the... (answered by jim_thompson5910)