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The unit rate in minutes per meter for filling the given aquarium to a depth of 2/4 meters will be 8 minutes per meter.
We have,
Time taken to fill an aquarium to a depth of m = 4 minutes,
So,
Time = 4 minutes,
And,
Depth = m,
Now,
The unit rate in minutes per meter,
So,
We will Now convert given depth fraction,
i.e.
Depth = = 0.5m,
So,
It takes 4 minutes to fill a half meter,
Then,
To fill a meter it will take = = 8 minutes
So,
The unit rate in minutes per meter is 8 minutes per meter.
Hence we can say that the unit rate in minutes per meter for filling the given aquarium to a depth of 2/4 meters will be 8 minutes per meter.
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Answer:
As per the given question, let the number be m.
three times the number 'm ' is 3.m or 3m.
3
(
m
)
- 6 = 15.
3m -6 = 15
add 6 to both sides;
3m -6 + 6 = 15 + 6
3m = 21
dividing both the sides by 3 , we get;
3m /3 = 21 / 3
m = 7
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