as shown in the diagram.
Every 3 A tickets sold, B tickets were sold 5. Thus:
for A. it should be 8 tickets sold ----> false
for B. This is A + B = 3 + 5 = 8, so it should be 5:8 ----> false
for C. 3 A tickets sold, B tickets were sold 5, so its 3 to 5 -----> true
for D. A tickets sold, B tickets were sold 5, so -----> true
for E. 6 ride A tickets were sold, it should be 10 ride B tickets sold, so ----> false
for F. the ratio of 30 to 50 is 3 to 5 so, ----> true
answer: C, D and F