Question

If weight of Dog and Mouse is 20kg

weight of Cat and Mouse is 10kg

and weight of cat and Dog is 24kg


then what will be the weight of Dog,Cat and Mouse?

Answer 1

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Answer 2

Let x be the weight of the dog
Let y be the weight of the mouse
Let a be the weight of the cat

So,

x+y = 20
y+z = 10
x+z=24

Add all of them to get:
2x+2y+2z = 54

Divide it by two to get:
x+y+z=27

Since x+z is 24,
y+24=27
y=3

Since y+z = 10

3+z=10
z=7

x+7=24
x=17

Weight of dog: 17
Weight of mouse: 3
Weight of cat: 7
Weight of all of them: 27