Mr. Shen likes for his homework assignments to have 2 addition problems for every 3 subtraction problems.
Which of the following homework assignments could Mr. Shen create?
A. 3 addition problems and 4 subtraction problems
B. 6 addition problems and 9 subtraction problems
C. 16 addition problems and 24 subtraction problems
D. 8 addition problems and 12 subtraction problems
E. 15 addition problems and 10 subtraction problems