SOLUTION: Jim has gotten scores of 100 and 79 on his first two tests. What score must he get on his third test to keep an average of 80 or better?

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Question 388679: Jim has gotten scores of 100 and 79 on his first two tests. What score must he get on his third test to keep an average of 80 or better?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
If x is the score on the third test, then

%28100+%2B+79+%2B+x%29%2F3+%3E=+80

179+%2B+x+%3E=+240

x+%3E=+61