Answer:
1) 250 meters= 0.25 km
2) 12 meters= 0.012km
3) 1 meter= 0.001 km
The constant of proportionality is 1000 meters in 1km (1000 meters)
I think there’s a mistake on the second part because 1 meter does not equal to 1000km. but I did part 1 for you!
There are 5 dimes and 13 nickels
Greatest Common Is The More Times It Can Go In To That Number. And The Least Is The Least Many Times.
Answer:

Step-by-step explanation:
To solve this problem we need to write the mixed fraction as a fractional number, as follows:


Then, evaluating the expression:
×
= 
→ 
Step-by-step explanation:
this is your answer.............