If a: b = 7: 5, b: c = 9: 11, find a: b: c? Choose the correct choice.
A) 63: 45: 59
B) 63: 45: 55
C) 63: 45: 56
D) 63: 45: 54
E) 63: 45: 51
a: b = 7: 5   b: c = 9: 11   a: b: c = 63: 45: 55   Answer:63: 45: 55
<result>B</result>
If a: b = 7: 5, b: c = 9: 11, find a: b: c?