9000 + 16 2/3 % of ? = 10500

9000 + 16 2/3 % of ? = 10500

A. 1500
B. 1750
C. 9000
D. 7500
Explanation:
9000 + 16 2/3 % of ? = 10500 => 9000 + 50/3 % of ? = 10500
50/(3 * 100) of ? = 1500 => ? = 1500 * 6
? = 9000