200 divided by 12 is 16.66666666666667, so about 17 hours.
Answer:
C
Step-by-step explanation:
she solved it correct by subtracting 7.5 from both sides
To find this is easy, since you can find either a nine or an eight, add both number of cards to get 8 cards. then you would divide 8 by 52 to get around a 15.4% chance to get either a 9 or 8. hope this helps
5/10, or 1/2 as 5/10 is a half (1/2)
Answer:

Step-by-step explanation:

Dividing the numerator and denominator by 2 gives;

= 
= 
=
× 
This gives
× 
Which can also be written as 