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10 times a certain number plus 5 times the same number equals 90 what is the number​
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4 votes
10 times a certain number plus 5 times the same number equals 90 what is the number​

User Squirkle
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1 Answer

5 votes

Let the number be x

ATQ


\\ \sf\longmapsto 10x+5x=90


\\ \sf\longmapsto (10+5)x=90


\\ \sf\longmapsto 15x=90


\\ \sf\longmapsto x=(90)/(15)


\\ \sf\longmapsto x=6

User Anibal Itriago
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