A crack in a water tank leaks 7 gallons of water each hour . After 9 hours , what is the change in the volume of water in the ta
nk due to the leak
1 answer:
Answer:
-63 gallons
Step-by-step explanation:
You don't know the original water amount, but it is asking for the change or the difference in the water volume so it doesn't even matter.
Since 7 gallons leak every hour and it is over 9 hours, you can multiply 9 by 7 to get 63 gallons.
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