Elena’s bus runs every 20 minutes. If she arrives at her bus stop at a random time, what is the probability that she will have to wait at least 5 minutes for the bus if it is running on schedule?

a)50%
b)75%
c)5%
d)20%

Question

Elena’s bus runs every 20 minutes. If she arrives at her bus stop at a random time, what is the probability that she will have to wait at least 5 minutes for the bus if it is running on schedule?

a)50%
b)75%
c)5%
d)20%

anonymous · Answer

a

anonymous · Answer

the 20 minutes is 100% and the 5 minutes is what %?

anonymous · Answer

then take the new % u got, and subtract from 100%
that is your answer.

anonymous · Answer

@adventuretime13212 is not correct.

anonymous · Answer

d

anonymous · Answer

nope.

anonymous · Answer

if you are wating for me to give you an answer. i can't.

anonymous · Answer

No, I'm not. I had skip the question and work on others until I got help. But thank you

anonymous · Answer

your welcome.

anonymous · Answer

good job @YouDontKnowMeOo

anonymous · Answer

I got c. Tell me if I'm wrong, I was taught how to solve this by a computer so I am really confused. But I believe it's c.

anonymous · Answer

i believe it is 75%, reason is beacuse...
20=100%
100/4=25
5times4=20

anonymous · Answer

5=25% of 20=100%
100-25=75%