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35 votes
35 votes
Determine the missing term to make these ratios equal:
13:7 = 39:x

User Sriram Sridharan
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1 Answer

25 votes
25 votes

Answer: x = 21

Explanation:

13/39 = 7/x

13/39 = 1/3 (divide each side by 13)

1/3=7/x

1/3=7/21 (multiply the numerator by 3 to get the denominator)

User Desoares
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