The ratio of A:B is 3:5, and B to C is 10:7. What is A:B:C?

Answer as guest — Start Free Practice Test to earn Practice PointsHow to earn pointsAsk a question+3Answer a question+1Someone answers yours+1Your Q gets upvoted+1Pioneer bonus (first 5)+5, ask questions & climb the leaderboard!

A 3:10:7
B 3:5:7
C 6:10:7
D 3:15:7

Show answer and explanation

Answer: C. 6:10:7

B is 5 in the first ratio and 10 in the second, so make B the same by doubling A:B to 6:10. With B:C = 10:7, the combined ratio is A:B:C = 6:10:7.

Answering after opening this box earns no Practice Points.

3 answered 67% got it right

Rules for asking and answering

The ratio of A:B is 3:5, and B to C is 10:7. What is A:B:C?

More questions like this