60% of G = 25% of B → \( \frac{3}{5} G = \frac{1}{4} B \).

• \( \frac{G}{B} = \frac{\frac{1}{4}}{\frac{3}{5}} = \frac{1}{4} \times \frac{5}{3} = \frac{5}{12} \)
• Gary : Ben = 5 : 12

Final Answer: 5 : 12