- A10 hours
- B20 hours
- C4.8 hours
- D5 hours
Step-by-Step Solution
and . Doubling the first, ; subtracting gives , then . Together , so hours (4 h 48 min).
Answer: C) 4.8 hours
Starting each time with the empty tank, tap A and tap B were run one after the other for the times shown, and the tank filled to the level marked. If both taps are opened together on the empty tank, how long will it take to fill?
Class 10Work Rates with Two UnknownsAlgebra — Systems of Equations
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