Practice Question
Three pools are being drained for the winter. It takes Pool B twice as long to drain compared to pool A, and it takes Pool B three times as long to drain compared to Pool C. If pool C drains in 6 hours. which of the following is the number of hours it takes Pool A to drain?
Answer Choices:
Correct Answer:
9
Rationale:
Formula:
✍️ TB = 2TA and TB = 3TC
Given:
♦️ Time for Pool C, TC = 6 hours
♦️ Pool B takes twice as long as Pool A: TB = 2TA
♦️ Pool B takes three times as long as Pool C:TB = 3 × 6 =18 hours
Calculation:
▶️ 18=2TA
▶️ TA = 18÷2
▶️ TA = 9 hours
👉🏻= 9 hours
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This question is from ATI TEAS 7 Math~2025 Exam 6 which contains 39 questions.
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Question Details
- Category: ATI TEAS
- Subcategory: Comprehensive Teas 7 Exam(s)
- Domain: Comprehensive Teas 7~2025
- Answer Choices: 4
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