Arithmeticmedium · Past Paper
If A:B = 2:3 and B:C = 4:5, what is A:B:C?
A8:12:15
B2:4:5
C8:10:15
D2:7:5
✓ Correct Answer: A — 8:12:15
To combine, make B equal in both. Multiply A:B by 4 and B:C by 3 to get 8:12 and 12:15, so 8:12:15.
Share this question