Answer:
.74
Step-by-step explanation:
First, you know that 30% are boys and 70% are girls. Then, take 60% of 30% and 70% of 80%. From there you get .74 as the probability of a randomly chosen child having taken a car to school.
The answer would be 340 and its correct because I did it!!
#6. the answer is 12 it increases by 4 every time
#8. the answer is every week he runs his miles increase by 5
