The quotient of a number and 4, minus 3, equals 5/4. Find the number.

Question

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Answer 1

x/4-3=5/4

x/4-3/1...find gcf which is 4

 

x-12                    5

=======   =     == ....cross multiply

      4                    4

 

4(x-12)=4(5)

4x-48=20

 

4x-48   = 20

    +48  =+48

========

4x=68........divide both sides by 4 to get x

 

x=17

 

to check

 

17/4-3=5/4

 

17-12

========  = 5/4....correct

      4