Answer:
22
Step-by-step explanation:
i think
I think the answer is A but i could be wrong
Answer:

Step-by-step explanation:
18 min = 0.3 h
Car 1 started 0.3 h before Car 2.
Let t = time of Car 2. Then
t + 0.3 = time of Car 1
Distance = speed × time, and both cars travel the same distance. Then

Check:

OK.
Answer:
1/4
Step-by-step explanation:
Males: 3 units
Females: 1 unit
Total: 4 units
Females/Total: 1/4
48/12=x/5
4=x/5
20=x
so the answer is first one