Question 227017: Ryan weighs twice as much as steve and the total of their weight is 195 pounds . How much does steve weigh Answer by lilmama50(7) (Show Source):
You can put this solution on YOUR website! ANSWER: Ryan's weight is 130 pounds and Steve's is 65 pounds.
Let r stand for Ryan's weight and s stand for Steve's weight.
r=2s : Ryan's weight is twice as much as Steve's
r+s=195 : Ryan's weight plus Steve's weight equals 195 lbs
Substitute the r in the second equation with 2s...
which becomes so divide each side by 3 and get . Therefore Steve's weight is 65 lbs.
Now substitute 65 for s in the first equation and you get which is
Thus Ryan's weight is 130 lbs and Steve's is 65 lbs.
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