- A10 hours
- B15 hours
- C6 hours
- D12 hours
Step-by-Step Solution
Let A and B fill and of the tank per hour: and . From the second, ; then . B alone takes 15 hours (A takes 10).
Answer: B) 15 hours
Two pipes A and B fill the same tank. Each case shown starts with the empty tank, and the times are how long each pipe was open before the tank was full. How long would pipe B alone take to fill the tank?
Class 10Work Rates with Two UnknownsAlgebra — Systems of Equations
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