Question

Pliz solve this
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Hope u will help me...

Answer 1

Step-by-step explanation:

3.5+4.5=8

+. +

9.5-3.5=6

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may it helps

thank you

Answer 2

Given :

• Let the boxes be represented by :

       x     y

       z     w  

• Now, according to the question, we get equations as,

1. x + y = 8
2. x + z = 13
3. y + w = 8
4. z - w = 6

To find :

• Values of w,x,y and z.

Solution :

• From 1 and 3 we understand that w = x.

        ∴ z - x = 6    ....(5)

        ∴ z = 6 + x    ....(6)

• Substituting (6) in (2),

        x + 6 + x = 13

     ∴ 2 x = 13 - 6

     ∴  x = 7/2

     ∴ x = 3.5

• Substituting x = 3.5 in (1),

        3.5 + y = 8

     ∴ y = 4.5

• Substituting x = 3.5 in (6),

        z = 6 + 3.5

     ∴ z = 9.5

The final answer will be :

 3.5      4.5

 9.5      3.5