Latisha is determined to do well in school this year. Her goal is to maintain at least an
Latisha started with two scores:
and . Confirm that the average of these two scores is . Show your work.
To find an average, add the scores Latisha received together and divide by the number of scores she had.
Latisha's third score is
. Use her scores from part (a) to figure out her average now. Be sure to show your work.
Remember you now need to add 90% to the scores and divide by the number of scores you have now.