Question

When loaded with bricks, a lorry has a mass of 11 600 kg. Given that the mass of the bricks is three times that of the empty lorry, find the mass of the bricks.

Answer 1

Answer:

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given,

mass of loaded lorry with bricks = 11600

mass of the lorry before loaded=x

masa of the bricks=3x

Step-by-step explanation:

3x+x=11600

4x=11600

x=11600/4

x=2900

therefore.,

mass of the bricks = 3×2900

=8700

Answer 2

Answer: Say Weight of Empty Lorry is A

therefore Mass of Bricks is three times of A i.e. 3A

Now Loaded Lorry i.e. A + 3A = 11600

so 4A = 11600, therefore Mass of Empty Lorry is A = 2900

and Mass of Bricks i.e. 3A = 8700