four fifth of a number is more than three fourth of a number by four .find the number
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Answer:
BY THE PROBLEM,
4/5 of x +4=3/4 of x
4x/5 +4=3x/4
(4x+20)/5=3x/4
4(4x+20)=5*3x
16x+80=15x
16x-15x= -80 (after changing sides)
x = -80
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