Answer:
6.9 would be the answer for the second blank
and 8.2 would be the answer for the first blank
Step-by-step explanation:
positive, it doesnt have a negative sign
She decided to test this by 200 adults, so. Divide 6 by 500 = 0.012 (200)=2.4mins.
52 white keys to 36 black keys hope that helps
