Joseph paid at most Php 230 for the 3 boxes of crayons (c)and 2 pcs drawing book (b) that he bought. Suppose a box of crayons is more expensive than the drawing book and their price difference is greater than Php10.

9. Which of the following is the mathematical statement of the given problem?

A. {3c + 2b > 230
c - b < 10

B. {3c + 2b < 230
c - b > 10

C. {2c + 3b < 230
c - b > 10

D. {3c +2b > 230
c - b > 10​