3 years ago

1/2 the weight of a brick +20= 1/3 the weight of a brick +30. What is the weight of the brick?

1 answer:

6 0

1/2x+20=1/3x+30
Subtract 20 on both sides
1/2x=1/3x+10
Subtract 1/3x on both sides
1/6x=10
Multiply by 6 on both sides
X=60

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