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const2013 [10]
3 years ago
6

Amelie's cat is 6 years older than her dog. The sum of their ages is 14 years.    How old is Amelie's dog

Mathematics
1 answer:
creativ13 [48]3 years ago
7 0
C+d=14
c-6=d
then you will plug c+6 in the first equation and you will get:
c+c-6=14
then you get
2c=20
c=10, so the cat is ten years old
the cat is 6 years older than the dog, so the dog is 4 years old
hope that helps :) 
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