Answer:
Step-by-step explanation:
Hundredths
20
3 km
<em>(NOTE: One kilometer is 1000 meters)</em>
Divide 3000 by 1000 to get 3
Total number of balls = 12 + 7 = 19
p(first ball is a red) = 7/19
Answer: 7/19
I simplified it and I got 36