Question: A student plans to design a new toothpaste tube that will give the same amount of toothpaste every time it is squeezed. Which should the student do first when designing the new tube?

  Options: 
 A. make a data table of amounts of toothpaste
 B. gather building materials
 C. create models of old toothpaste tubes
 D. draw a few possible solutions 
Answer: D