MCQ Practice Mathematics 📖 If x : y = 5 : 3, then (8x – 5y) : (8x + 5y) =? A 3 : 11 B 3 : 12 C 5 : 11 D 8 : 13 Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up PreviousIf x : y = 2 : 3, and m : n = 9 : 4, find the ratio xn : ym. NextIn a class the ratio of the number of boys to girls is 5 : 3. What percent of the students of the class are girls?
