B) 50 cents
D) 75 cents 
1. You have 75 cents, you spend 19 cents. Do you have enough
left to buy B ?
2. You have 80 cents, you spend 45 cents. Do you have enough
left to buy C?
3. You have 95 cents, you spend 22 cents. Do you have enough
left to buy D?
4. You have 92 cents, you spend 49 cents. Do you have enough
left to buy A?
WHICH SHOULD YOU USE + or -
1. Cheryl mailed 3 letters on Monday. She mailed 5 letters on
Friday. How many letters did she mail?
2. Randy wanted to mail 9 letters at the post office. But he
lost 2 letters on the way. How many letters did he mail?
3. Corrie mailed 5 packages at the post office. She mailed 3
letters, too. How many more packages then letters did she
mail?
4. Matt mailed 6 letters first class. He sent 3 letters
second class. How many letters did he mail in all?
