Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Harita still needs to memorize, as a function of d, the number of days of practice since she began learning the piece <span>m = 90 - 6d</span>
Step-by-step explanation:
$192=12hours
$576=36hours
$96=6hours
$288=18hours
Answer:
15%
30 percent passed BOTH tests.....Only 15% passed ONLY first test
30/(30+15) = 67% of those who passed the first test ALSO passed the second test.
