if a rabbit and a cat weigh 10 kg, a dog and a rabbit weigh 20 kg, a dog and a cat weigh 24 kg, how much is the weight of the dog, cat and rabbit altogether?
Answers
Answered by
7
Let rabbit=r,dog=d,cat=c,
According to the question,
r+c=10
d+r=20
d+c=24
On adding the above three equations;
r+c+d+r+d=c=10+20+24
2(d+c+r)=54
d+c+r=54/2
d+c+r=27
Thus,weight of dog+weight of cat+weight of rabbit=27 kg
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this is the correct solution :Let rabbit=r,dog=d,cat=c,
According to the question,
r+c=10
d+r=20
d+c=24
On adding the above three equations;
r+c+d+r+d=c=10+20+24
2(d+c+r)=54
d+c+r=54/2
d+c+r=27
Thus,weight of dog+weight of cat+weight of rabbit=27 kg
According to the question,
r+c=10
d+r=20
d+c=24
On adding the above three equations;
r+c+d+r+d=c=10+20+24
2(d+c+r)=54
d+c+r=54/2
d+c+r=27
Thus,weight of dog+weight of cat+weight of rabbit=27 kg
Answered by
1
rabbit be r
cat be c
dog be d
r+c=10 kg(given)........1
d+c=20...2
d+r=20............3
adding 1 ,2 and 3 we get
so2( c+r+d)=24+20+10
so they all weigh =24+20+10/2
54/2
=27
cat be c
dog be d
r+c=10 kg(given)........1
d+c=20...2
d+r=20............3
adding 1 ,2 and 3 we get
so2( c+r+d)=24+20+10
so they all weigh =24+20+10/2
54/2
=27
Similar questions
According to the question,
r+c=10
d+r=20
d+c=24
On adding the above three equations;
r+c+d+r+d=c=10+20+24
2(d+c+r)=54
d+c+r=54/2
d+c+r=36
Thus,weight of dog+weight of cat+weight of rabbit=36 kg