Answer:

Step-by-step explanation:
We know that
- A fraction consists of two integers—one on the top, and one on the bottom.
- The top one is numerator, the bottom one is denominator, and
- These two numbers are separated by a line.
Let us consider two different fractions with different denominators
Lets subtract the two fractions









so





Therefore,

A) Both walked 3.5 hours.
B) Hannah walked 3.5 x 3 = 10.5 miles.
For Hannah you multiplied her rate by the time to get total distance.
Penelope walked 7 miles, the black dot on the graph is at the 7 miles on the distance.
C) Hannah walked a faster rate, because she walked further in the same amount of time.
If I'm doing this right, I'm pretty sure the answer would be 7, since 0 + 1 = 1, 8 - 1 = 7, and 7 x 1 = 7.
I hope this answer helped you! If you have any further questions or concerns, feel free to ask! :)
Answer:
Step-by-step explanation:
28.5