325 divided by area 21 2/3. always area divided by length
Answer:
Show the whole photo and you will maybe get help
Step-by-step explanation:
The answer is b hope it helped
Answer:
the last one lol- thats just how it works
Answer:
Here is the way to get the answer
Step-by-step explanation:We use the formule: t=S/v. So:
+ t1= 160/100 = 8/5 hrs = 5760''
+ t2= 160/90 = 16/9 hrs = 6400''
=> t2-t1= 6400 - 5760 = 640'' = 10'40''