### Home > CAAC > Chapter 1 > Lesson 1.1.2 > Problem1-12

1-12.

To find an average, add the scores Latisha received together and divide by the number of scores she had.

$\frac{(72+89)}{2}=80.5$

Remember you now need to add 90% to the scores and divide by the number of scores you have now.

83.67%