Kristen completed 42 km. We will imagine that she ran all 6 hours. => 9 * 6 =54 km which is more than she actually completed. So we will find a 9 Multiple less than 42 km and that will be 36 km. (9 * 4 = 36 km completed by running) and the rest until 42 were completed by walking (3 * 2 = 6; 6 + 36 =42).
Answer:
the answer would be:

Hope that helps! :)
Step-by-step explanation:
Answer:
42 - 24 * 36
18*36
and rewrite your answer by yourself
Answer:
Wdym? Do you have another question on your pf or something?
Step-by-step explanation:
Let me know if I can help!
Have a nice day <3
Answer:
3x²y+0.5y+1
Step-by-step explanation:
2+3x²y -0.5y+y -1
2 and -1 is 1
-0.5y and +y is +0.5y so the answer is...