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What is the missing numerator of 4/9= ?/81
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What is the missing numerator of 4/9= ?/81

User Abdelhak
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2 Answers

4 votes
the answer is 36. hope it helps
User Ricky Kazuo Miller
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8.5k points
7 votes
To solve this question, first cross multiply
Let ? = x

4/9 = x/81

4(81) = 9(x)

Simplify.

81 x 4 = 324

324 = 9x

Isolate the x, divide 9 from both sides

324/9 = 9x/9

x = 324/9

x = 36


4/9 = 36/81

36 is your answer

hope this helps!
User Esmie
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8.9k points
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