Brick

On one side of a balance scale there are some bricks, and on the other side there is a 1 kg weight and 1/5 of a brick. The balance is in equilibrium.

What is the weight of one brick?

Final Answer:

m =  1.3 kg

Step-by-step explanation:

m = 1kg + 1/5 m  m=1+1/5 m  4m=5  m=45=1.25  m=45=1.25=45 kg=1.3 kg



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