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put this solution on YOUR website!r * t = u
r rate.
t = time
u = units
the unit is 1 bucket full of water.
the time is 5 minutes
the formula becomes:
r * 5 = 1
divide both sides of this equation by 5 to get:
r = 1/5
the bucket is being filled at the rate of 1/5 of the bucket per minute.
r * 1 = 1/5 * 1 = 1/5
in one minute, 1/5 of the bucket has been filled.