At the beginning of the day, a water tank contained 526.8 gallons of water. During the day, some of the water was used to water a garden. At the end of the day, the water tank contained 318.05 gallons of water.

What was the total amount of water used that day?

a. 202.75 gallons
b. 208.75 gallons
c. 208.85 gallons
d. 210.80 gallons

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