6. the answer is 6. because 3x what she has is equal to 18 all u do is divide. u get six.
B. Because 20 is greter than 18.
Answer:
600 seconds
Step-by-step explanation:
In this case we have to calculate the speed;
Speed = Distance/Time
Speed = 100/20 = 5 mph
Next to get our answer we have to calculate the amount of time
Time = Distance/Speed
Time = 3000/5 = 600 seconds