How many gallons of 30% antifreeze should be mixed with 10 gallons of 93% antifreeze to obtain a 65% antifreeze mixture ?

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?

Need solving this second acceleration problem.

How many grams the dog will eat in 3 days?