The water level in Ty's swimming pool has a maximum depth of 4 feet. After a day of swimming with friends, the water level in the pool drops 6 inches. Which of the following could best be used to determine d, the depth of the water in feet, after Ty and his friends went swimming?
A.d - 0.5 less than or equal to 4
B. d - 6 < less than or equal 4
c. d + 0.5 less than or equal to 4
d. d + 0.5 greater than or equal to 4
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Step-by-step explanation:
B. d-6 less than or equal to 4
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