Sample Problem
The wind is whistling, it is 10°F below zero outside, and Dante is inside his ice-fishing shanty. Most people would be bothered by the weather, but not Dante. He stretches out on his couch, watches football on his mini-TV, and drinks mocha lattes all day while catching fish. Dante catches the same number of fish every day he is on the ice. The table shows the number of fish he caught and the number of days he spends fishing on the ice.
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Suppose that Dante hauls in three hundred twenty-eight fish. How many days has he been ice fishing?
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Suppose that Dante has been ice fishing for twenty-five days. How many fish has he caught?
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Fish Caught
Time Fishing (days)

40
5
120
15. Suppose that Dante hauls in three hundred twenty-eight fish. How many days has he been ice fishing?
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day(s)

✓I want to do these optional tasks.
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First, scale down to the unit rate. You want to determine the number of fish caught per unit of time.

Then, scale up to the equivalent ratio.
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Fish CaughtTime Fishing
÷

÷
=

×


×
=





2. Suppose that Dante has been ice fishing for twenty-five days. How many fish has he caught?
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fish

✓I want to do these optional tasks.
Character Image
Read the value directly from the table.

You are given the value for Time Fishing, which is 25. Use that value to look up the value for Fish Caught in the table.
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200
25
280
35