Jeremy is conducting a survey about his coworkers’ in-office water consumption to encourage management to install more water dis
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Domik weights 30 pounds more than his sister
Together they weigh 330 pounds
Let "x" represent the weight of Dominik's sister, then his weight can be expressed as "x+30"
And their total weight can be calculated as:
From this expression you can calculate the value of x:
x=150 pounds
x+30=150+30=180 pounds
Dominik weights 180pounds and his sister 150 pounds