SOLUTION: Gino has already filled 12 liters of water in the tank and will add a fixed amount (in liters) of water each day. How much water should Gino put per day if he will spend 8 days fil

Question 1163526: Gino has already filled 12 liters of water in the tank and will add a fixed amount (in liters) of water each day. How much water should Gino put per day if he will spend 8 days filling the tank to get 20 liters total?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Description can be for linear equation in form y=mx+b.

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---------------------------one liter each day
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
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Gino has already filled 12 liters of water in the tank and will add a fixed amount (in liters) of water each day.
How much water should Gino put per day if he will spend 8 days filling the tank to get 20 liters total?
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Let d be the amount of water to add every day. Then after 8 days 20 = 12 + 8*d 20 - 12 = 8d 8 = 8d d = 8/8 = 1. ANSWER. Add 1 liter of water every day.

Solved.

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