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You then divide the numerator(top) by the denominator(bottom)

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Your answer is
187 centimeters is 1.87 meters
There are no tanks with less than 30 fish, so the first two groups ( 20-24) and (25-29) aren't used.
There are 3 tanks with 30-34 fish.
There are 3 tanks with 35-39 fish.
There are 3 tanks with 40-44 fish.
There are 1 tanks with 45-49 fish.
Now drag the bars for each group to the number of tanks.
See attached picture:
Answer:
multiply by 2
Step-by-step explanation: