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.