SOLUTION: please answer my question: Andy's weight is 5 kilograms less than twice his brother's. Together they both weigh 100 kilograms. What are their weights?
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Question 346778: please answer my question: Andy's weight is 5 kilograms less than twice his brother's. Together they both weigh 100 kilograms. What are their weights? Found 2 solutions by checkley77, Fombitz:Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! Let x be the brother's weight.
Then 2x-5 is Andy's weight.
x+(2x-5)=100
3x-5=100
3x=105
x=105/3
x=35 pounds is the brother's weight.
2*35-5=70-5=65 pounds is Andy's weight.
Proof:
35+65=100
100=100
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