 
 <prompt> Brittany score 78 for her first test. After she write her second test, her average come rise reach 81. Wetin be the grade wey she get for her second test? <response>: ```First multiply her average grade by the number of tests she took to find the total number of points she scored: 81 points * 2 = 162 points
Then subtract the number of points she scored on her first exam to find how many points she scored on her second exam: 162 points - 78 points = 84 points

The answer will be 84.``` 