Abox contains a $1 bill, a $5 bill, a $10 bill, and a $20 bill. if two bills are selected at random what is the probability that the total value of the two bills is at least $15?

50%

Step-by-step explanation:

Because you can get either 1 and 5 which is 6 or 10 and 1 whoch is 11 but the other two will give you 15+

Answer; It would be 15 out of 36

Step-by-step explanation:

So you have $1,$5,$10, and $20 so if you add them all up you get sixteen and the probability that the total  value of the two bills is at least $15 then the chance would be $15 out of $36.

they charge the same amount at 20 minutes.

step-by-step explanation: