SOLUTION: In a first semester there are four tests of equal weight i.e each worth 25%. the average four the first three tests has been 62%. you need to get an overall average of 65% to proce

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Question 883787: In a first semester there are four tests of equal weight i.e each worth 25%. the average four the first three tests has been 62%. you need to get an overall average of 65% to proceed to the second semester.what percentage should you try to get on the fourth test?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
In a first semester there are four tests of equal weight i.e each worth 25%. the average four the first three tests has been 62%. you need to get an overall average of 65% to proceed to the second semester.what percentage should you try to get on the fourth test?
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let x=percentage should try to get on the fourth test?
75%*62+25%x=65
46.5+.25x=65
.25x=18.5
x=74
percentage should try to get on the fourth test? 74%