Janice walks a total of 7/8 hour. She walks at a rate of 1 mile every 1/4 hour. How many miles did she walk
To find the number of miles Janice walked, we need to multiply her walking rate by the total time she walked. Her walking rate is 1 mile every 1/4 hour, so we can find the number of miles by dividing the total time by the rate:
7/8 hour ÷ 1/4 hour = 7/8 ÷ 1/4
To divide by a fraction, we can multiply by the reciprocal:
7/8 ÷ 1/4 = 7/8 * 4/1
Multiplying the numerators and denominators, we get:
7/8 * 4/1 = 28/8
We can simplify 28/8 by dividing the numerator and denominator by their greatest common divisor, 4:
28 ÷ 4 = 7
8 ÷ 4 = 2
So 28/8 simplifies to 7/2, which is equivalent to 3.5. Therefore, Janice walked 3.5 miles. Answer: \boxed{3.5}.