Kerry asked a bank teller to cash a $390 check using a $20 and $50 bills. if the teller gave her a total of 15 bills, how many of each type of bill did she receive?

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f