Which ratio can you get by scaling up the ratio 5/6 chapters in 1/3 hours

Question

A. 5 chapters / 18 hours<<
B. 1 chapter / 2/5 hours
C. 2 1/2 chapters / 1 hours<<

D. 15 chapters / 6 hours <<
E. 6 chapters / 15 hours
F. 1 1/3 chapters / 1 hour

Answer 1

B. 1 chapter / 2/5 hours
C. 2 1/2 chapters / 1 hours
D. 15 chapters / 6 hours
They all is equal to 5/2 or 2.5

Answer 2

(5/6) / (1/3) = 5/2 chapters/hr = 2.5 hr/chap is right
so yes, C
not A, 5 chap / 2.5 chap/hr = 2 hr
B is 1 chap, obvious no
D is 15 chap /2.5 chap/hr = 150/25 = 6 hr Yes

Answer 3

sorry, B is fine
1chap / 2.5 chap/hr = 10/25 = 2/5 hr