Match the stem and leaf plot to the correct set of data

If 50% of a number is 14 then 100% of the number is

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

The table above shows approximate conversions from gallons to liters. what is the value of x?