645  Ratio3
2

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




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




A 대 B 의 비율이 5:7, 이고, A 대 C 의
비율이 6:9. 이면, B 대 C 의 비율은
소수점아래 한자리까지 얼마인가?



The ratio of A and B is 5:2, 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 9:7, and the ratio
of A and C is 4:8. What is the value of
the ratio of B and C nearest to the 10th?




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




The ratio of A and B is 2:5, and the ratio
of A and C is 4:7. What is the value of
the ratio of B and C nearest to the 10th?




A 대 B 의 비율이 7:2, 이고, B 대 C 의
비율이 3:7. 이면, A 대 C 의 비율은
소수점아래 한자리까지 얼마인가?



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




The ratio of A and B is 8:5, and the ratio
of A and C is 7:9. What is the value of
the ratio of B and C nearest to the 10th?




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645    0.4 0.8 0.6 0.3 0.4 ( 2.5 )   0.2 1.4 1.5 0.4 0.5 ( 4 )   [[ 6.5 ]]