The numerator of a certain fraction is four times the denominator. If 10 is added to both numerator and denominator the resultin
g fraction is equivalent to 2. What is the original fraction?
1 answer:
20/5
4x/x adding 10 to each
4x+10/x+10 =2
Multiple x+10 to each side
4x+10=2x+20
Then subtract and get
2x=10
Divide
X=5
Now plug it back in
20/5
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