If the family walked 2/5 of a mile in 2/7 of an hour their MPH would be 2.8mph
the answer is A, sorry if you can't read it quite well
Answer:

Step-by-step explanation:
You move the decimal place over 6 times for the first equation and 5 for the second equation.
Hope this helps! Have a great day! :)
Answer:
It's true because its a rational number.
Step-by-step explanation: