Maria is draining her swimming pool. The depth of the water in the pool changes by −3/4 foot every hour.The depth of the water w as 5 feet when she started draining. What is the depth of the water after 5 hours?
1 answer:
Answer: 1 1/4feet
Step-by-step explanation:
From the question, we are informed that the depth of the water in the pool changes by −3/4 foot every hour and that the depth of the water was 5 feet when she started draining.
The depth of the water after 5 hours will be:
= 5 - 3/4(5)
= 5 - 15/4
= 5 - 3 3/4
= 1 1/4 feet
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