SOLUTION: on three test I scored 84 65 76 what grade must I obtain on the fourth test to equal 80 for all for test
Algebra.Com
Question 640806: on three test I scored 84 65 76 what grade must I obtain on the fourth test to equal 80 for all for test
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
on three test I scored 84 65 76 what grade must I obtain on the fourth test to equal 80 for all for test
.
Assuming all four tests are equally weighted...
.
Let x = score on fourth test
then
(84 + 65 + 76 + x)/4 = 80
(225 + x)/4 = 80
225 + x = 320
x = 320-225
x = 95
RELATED QUESTIONS
Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the... (answered by solver91311)
Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the... (answered by rothauserc)
Cathy scored 76, 84, and 78 on three tests. How much must she score on the next test to... (answered by rfer)
a student scored 69,89,93 on three algebra test. what must he score on the fourth test in (answered by solver91311)
Lucy scored a 85,64, and 76 on her math exams. What score must Lucy obtain on the next... (answered by jim_thompson5910)
A student scored 67, 76, and 99 on three algebra tests. What must he score on the fourth... (answered by ewatrrr)
In a class in which the final course grade depends entirely on the average of four... (answered by Boreal)
Rebeccas avrege so far for 3 English testts is 84. What must she get on the fourth test... (answered by josgarithmetic)
On his last three math tests, mark scored 85,95, and 80. What grade must he get on his... (answered by JBarnum)