A school chess club played 35 games ,they won 15 games tied 15 and lost the rest. What percentage of the game did they lose ,win and tie?

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241