Look up "Everything You Need To Know About Math In One Big Fat Notebook pdf." It's the best thing I've ever been given, I have it with me in math class all the time and I've aced every test. I have it with me right now and it has everything I've ever been taught about math in it so it might help you.
1)180= 18 tens(18*10=180)
2)1600=16 hundreds(16*100=1600)
3)6000=6 thousands(6*1000=6000)
4)2700=27 hundreds(27*100=2700)
Hope this helps:)
Answer:
41
Step-by-step explanation:
n+(-16)=25
n-16=25
Add 16 to both sides to isolate the variable
n=41
Jill = x
Jack = x + 1 1/3
X = 5 1/2
Solving Equations
5 1/2 +1 1/3
=6 5/6
Answer = 6 5/6 hours