EM-2475
Rate and average speed
E Math · Secondary 4 · Medium · Rate and average speed
Two pumps, A and B, are used to fill a water tank.
Pump A alone can fill the tank in hours. Pump B alone can fill the same tank in hours.
Write an expression, in terms of , for the fraction of the tank filled by pump B only in 1 hour.
Pump A alone can fill the tank in hours. Pump B alone can fill the same tank in hours.
Write an expression, in terms of , for the fraction of the tank filled by pump B only in 1 hour.
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