SOLUTION: A CERTAIN NUMBER IS ADDED TO THE NUMERATOR AND SUBTRACTED FROM THE DENOMINATOR OF 5/8. THE NEW FRACTION EQUALS THE RECIPROCAL OF 5/8.FIND THE NUMBER......PLEASE HELP
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Question 582272: A CERTAIN NUMBER IS ADDED TO THE NUMERATOR AND SUBTRACTED FROM THE DENOMINATOR OF 5/8. THE NEW FRACTION EQUALS THE RECIPROCAL OF 5/8.FIND THE NUMBER......PLEASE HELP
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
cross multiply
5(5+x)=8(8-x)
25+5x=64-8x
5x+8x=64-25
13x=39
/13
x= 3
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