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# Two Girls' Quiz Scores

SATMAT-Y41APR

Ang and Lisa each took four quizzes which were worth $10$ points per quiz. The $2$ girls' scores were $5$, $6$, $7$,$8$, $9$, $9$, $10$, and $10$. (Note: the two girls' scores are mixed together in this list- the scores are not separated by student.)

If the mean of Lisa's scores was $7.5$, then what was the mean of Ang's scores?

A

$7.5$

B

$8$

C

$8.5$

D

$9$