The sum of two numbers x and y is 48 and their difference is 6. Then x : y = ?
The sum of two numbers x and y is 48 and their difference is 6.
x+y = 48Â Â Eq.(i)
x-y = 6Â Â Â Eq.(ii)
Add Eq.(i) and Eq.(ii).
2x = 48+6
2x = 54
x = 27
Put the value of 'x' in Eq.(ii).
27-y = 6
y = 27-6
y = 21
x : y = 27 : 21
= 9 : 7
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