720  Ratio3
2

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The ratio of A and B is 5:4, and the ratio
of A and C is 5:6. What is the value of
the ratio of B and C nearest to the 10th?




The ratio of A and B is 6:3, and the ratio
of A and C is 4:9. What is the value of
the ratio of B and C nearest to the 10th?




A 대 B 의 비율이 6:7, 이고, A 대 C 의
비율이 5:5. 이면, B 대 C 의 비율은
소수점아래 한자리까지 얼마인가?



The ratio of A and B is 10:7, and the ratio
of A and C is 5:7. What is the value of
the ratio of B and C nearest to the 10th?




The ratio of A and B is 9:5, and the ratio
of A and C is 2:5. What is the value of
the ratio of B and C nearest to the 10th?




The ratio of A and B is 3:6, and the ratio
of A and C is 2:6. What is the value of
the ratio of B and C nearest to the 10th?




The ratio of A and B is 4:4, and the ratio
of A and C is 5:8. What is the value of
the ratio of B and C nearest to the 10th?




A 대 B 의 비율이 8:7, 이고, B 대 C 의
비율이 6:9. 이면, A 대 C 의 비율은
소수점아래 한자리까지 얼마인가?



The ratio of A and B is 6:4, and the ratio
of A and C is 2:10. What is the value of
the ratio of B and C nearest to the 10th?




The ratio of A and B is 3:4, and the ratio
of A and C is 3:7. What is the value of
the ratio of B and C nearest to the 10th?




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720    0.7 0.2 2.3 0.5 0.2 ( 3.9 )   0.7 0.6 0.8 0.1 0.6 ( 2.8 )   [[ 6.7 ]]