To find out how many miles Janice walked, we can follow these steps:
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Determine Janice's walking rate: She walks at a rate of 1 mile every 1/4 hour. This means that in 1 hour, she would walk:
\[ \text{Walking rate} = 1 , \text{mile} \div \frac{1}{4} , \text{hour} = 4 , \text{miles per hour} \]
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Determine the total time walked: Janice walked for a total of 7/8 hours.
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Calculate the total distance walked: To find the distance, we can use the formula:
\[ \text{Distance} = \text{Rate} \times \text{Time} \]
Substituting the values we found:
\[ \text{Distance} = 4 , \text{miles per hour} \times \frac{7}{8} , \text{hours} \]
Now calculate the distance:
\[ \text{Distance} = 4 \times \frac{7}{8} = \frac{28}{8} = 3.5 , \text{miles} \]
Therefore, Janice walked a total of 3.5 miles.