X:2,8=5:7 шыгару жолдары

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вопрос

Cross multiply: 2 x 7 = 14 and 8 x 5 = 40Set up ratio equation: 2/8 = 5/7Simplify the ratio equation: 1/4 = 5/7To find the missing value, cross multiply: 1 x 7 = 7 and 4 x 5 = 20The missing value is 7/20.

Therefore, the solution to the ratio 2:8 = 5:7 is 1/4 = 5/7 = 7/20.