12:4 can be simplified to 3:1, so now you have 3 kilometers per every 1 hour, you need to know how many kilometers she can do in 6 hours, so you just multiply 3 by 6 which is 18. As a ratio it would be 18:6.
Answer:
Step-by-step explanation:
Answer:
Here!!
Step-by-step explanation:
If her pratice was 1.75 hours a day, and she only did it for 8 days. You would multiple the number hours by the number of days and get 14 HOURS
Answer: 19 ft
Step-by-step explanation: To find the width, multiply the length that you have been given by 2, and subtract the result from the perimeter. You now have the total length for the remaining 2 sides. This number divided by 2 is the width. Hope this helps :)