To find the total inches of snow on the ground after seven hours, you can use the following calculation:
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First, calculate how much new snow will accumulate in seven hours: \[ \text{New snow} = \text{Rate of snow} \times \text{Time} = 14 , \text{inches/hour} \times 7 , \text{hours} = 98 , \text{inches} \]
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Next, add the new snow to the existing snow on the ground: \[ \text{Total snow} = \text{Existing snow} + \text{New snow} = 3.5 , \text{inches} + 98 , \text{inches} = 101.5 , \text{inches} \]
Therefore, after seven hours, there will be a total of 101.50 inches of snow on the ground (rounded to two decimal places).