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If 4/5 x blank=2/5 what is blank
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1 vote
If 4/5 x blank=2/5 what is blank

User LewlSauce
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2 Answers

5 votes
4/5 x 1/2 = 2/5

blank = 1/2
User Joren Van Hocht
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8.3k points
4 votes
4/5x = 2/5
(5/4) 4/5 x = (5/4) 2/5 (multiplying both sides by 5/4 to isolate x)
x = 2/4 (5 in the numerator and 5 in the denominator cancels out)
x = 1/2 <--------- This is the answer.
Hope this helps.
User Cubesnyc
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6.9k points
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