The different between ages of two cousins is 12 years. Four years ago, the age of elder one was four times the age of the younger one. Then present ages of elder and younger one are
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Answer:
x = 20 and y = 8
Step-by-step explanation:
Let the age of cousin 1 = X
Let the age of cousin 2 = y
acc. to the question: x-y= 12
x = 12+y
4 years ago:
cousin 1 = x-4
cousin2 = y-4
acc to the question:x-4= 4(y-4)
x-4=4y-16
12+y-4=4y-16
8+y=4y-16
24= 3y
y = 8
so previously:
x = 12+y
x = 12+8
x = 20
.
. . x =20 and y = 8
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