1. Ask your mother about her savings in the bank. Compute the interest she earned of her savings in the bank for 3 years.
2. Ask for a receipt of groceries from your mother or father. Try to look
how much sales tax was added in the total amount of purchases.
3. Make your own problem that involves discount.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?