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Answer:
Explanation:
10/3 = 7/x
10 : 3 = 7 : x
x = 3 x 7 : 10
x = 21 : 10
x = 2.1 or 21/10
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check
10 : 3 = 7 : 2.1
3.33 = 3.33
same value the answer is good
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