Math
posted by Brooke .
Ben conserves water in his home.He conserves 3 gallons each time he turns off the faucet when brushing his teeth.He conserves 30 gallons by running the dishwasher once a day instead of twice a day. What expression represents the total number of gallons,g,Ben saves each day?
3g+30 or. 30g+3

How many times a day does he brush his teeth? n?
3n + 30
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