the sum of the numerator and the denominator of a fraction is 12. if thedenominator is increased by 3 the fraction becomes 1/2. find the fraction
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Hey
Here is your answer
Explanation:
Let call our fraction
x/y
we know that:
x+y=12
and
x/y+3=1/2
from the second:
x=1/2(y+3)
into the first:
1/2(y+3)+y=12
y+3+2y=24
3y=21
y=21/3=7
and so:
x=12−7=5
The fraction is 5/7.
Hope it helps you!
Here is your answer
Explanation:
Let call our fraction
x/y
we know that:
x+y=12
and
x/y+3=1/2
from the second:
x=1/2(y+3)
into the first:
1/2(y+3)+y=12
y+3+2y=24
3y=21
y=21/3=7
and so:
x=12−7=5
The fraction is 5/7.
Hope it helps you!
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