Answer:
Step-by-step explanation: the thing is that if kelvin walks 5km south and then 8 km east the displacement is that he won’t really make it to the east.
20×10=200mm
70:200
70/10=7
200/10=20
7:20 is your answer in it's simplest form
-41
Step-by-step explanation:
you put 3 in place of x. So where x is you put 3. Then simplify. Let me know if you need further explanation