Answer:
D
Explanation:
It has the correct ration of red wax to white wax.
If for every 12 mL of red wax there's 5mL of white wax, with 36 mL, which is triple the amount a pink crayon calls for, then we also have to triple the white wax. 5 mL times 3 is 15 mL. Therefore, D is correct.