David is making cupcakes for the bake sale. He puts them on trays that hold 6 cupcakes each. How many trays will David need if he bakes 12 dozen cupcakes? Which equation can you use to solve the problem? One dozen is 12 cupcakes. A.
120
÷
6
=
20
B.
144
÷
6
=
24
C.
72
÷
6
=
12
D.
96
÷
6
=
19

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your