Jacob scored 80%, 82%, and 84% on his first three tests.Then he scored 90%, 91% and 95% on his next threetests. What is the difference in the average of the firstthree tests compared to the last three tests?
The average of the firstthree test
Subtract the average ofthe other three tests
Now take the positivedifference between thetwo averages
The average of the first three testsis 10marks less than the average ofthe last three tests