Answer:
or 
Step-by-step explanation:
<u>Step 1: Cross Multiply</u>
<u />


<u>Step 2: Divide both sides by 2.35</u>
<u />
or 
Answer:
or 
Answer:
10d or less
Step-by-step explanation:
Joanne would want $50 left, and she has $250. 20 - 50 is 200. 20 goes into 100 5 times.
20 goes into 200 10 times. You just add five. (20, 40, 60, 80, 100)
If she wants at least $50 left, she would have to limit how many Dvd's she buys to 10 or less.
The diagonals bisect each other
Exactly half of these integers are odd (1, 3, 5, ..., 29) so the probability of selecting an odd number is

.