Week 9

Posted by Angela O'Neill on 11/11/2018

Question:

Harvey has a fair eight-sided cube that has a different number from 1 to 8 on each side.  If he rolls this die twice, what is the probability that the second number rolled is greater than or equal to the first number?  Express your answer as a fraction.  SHOW OR EXPLAIN how you got your answer.

 

Answer to week 8:

Using a single 30% off coupon, the cost would be $35.  Using a coupon of 20% off, then 10%, the price would be $36.  She would save $1.00 using the single 30% off coupon.