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Find the missing number in this proportion. X/10=9/30
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3 votes
Find the missing number in this proportion.
X/10=9/30

User Ironluca
by
8.4k points

1 Answer

6 votes
X/10 = 9/30
30x = 10 . 9
30x = 90
x = 3
User Dmitri Snytkine
by
8.2k points
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