SOLUTION: A person took 7 tests. On 1 test, he scored 0. What did he score on the other 6 tests to receive a cumulative average of 80%?
Algebra.Com
Question 719483: A person took 7 tests. On 1 test, he scored 0. What did he score on the other 6 tests to receive a cumulative average of 80%?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
= 80
mult by 7
6x = 560
x = 560/6
x = 93.33 av on the remaining 6 tests
RELATED QUESTIONS
A student scores 73, 79, 77, 81 on four tests. To receive and 80 average, what must he... (answered by unlockmath)
a student scored 71,83, & 96 on three algebra tests. What must he score on the 4th test... (answered by josmiceli)
Jake's average score on the first for math tests is 83. On his first test he scored a 72... (answered by Cromlix)
Peter took five tests. The average of four of the tests is 84. What score did he get on... (answered by Fombitz)
Fred scored 75,70,83,and 76 on 4 tests what would he need to score on the 5th test to... (answered by TimothyLamb)
Seth scored an 82%, 88%, and 75% on three tests. What score must he get on the fourth... (answered by addingup)
Seth scored an 82%, 88%, and 75% on three tests. What score must he get on the fourth... (answered by greenestamps)
James scored 60, 74, 79, and 75 on four tests. What must he score on the next test to... (answered by TimothyLamb)
To get a B in math, Mary must average 80 on all tests. Suppose Mary has scored 60,72,98,... (answered by nerdybill)