Answer :
The expression 83 - 7.5 t represents the amount of water that is left in the tank after t hours as 7.5 l of water drains every hour from the large water tank.
We are given that:
7,5 l of water drains from the large water tank every hour.
Also, the water level in the large water tank initially was 83 l
We need to tell what does the expression 83 - 7.5 t represent.
It represents the amount of water that is left in the tank after t hours as 7.5 l of water drains every hour from the large water tank.
Therefore, the expression 83 - 7.5 t represents the amount of water that is left in the tank after t hours as 7.5 l of water drains every hour from the large water tank.
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