1. 
A dozen organic eggs sell for $4.99 while a dozen conventional eggs sell for $3.79. What is the difference in unit cost? > $0.80

2. 
There are three bananas, five apples, and four oranges in a bowl of fruit. What proportion of the fruit are NOT oranges? >

3. 
Car A can drive 430 miles on its 10gallon tank of gas. Car B can drive 468 miles on its 12gallon tank. Which car has the better gas mileage, and by how much? > Car B by 11 miles per gallon

4. 
Solve the proportion: . > 10

5. 
The San Francisco Humane Society has a cattodog ratio of 3:2. If there is a combined total of 250 cats and dogs, how many are dogs? > 50

6. 
You send about two emails for every seven incoming messages. If you receive 329 emails on a particularly busy day, about how many did you send? > 94

7. 
Solve the proportion: . > 1.9

8. 
A gallon of milk costs $5.29 while a halfgallon of milk costs $3.50. In a halfgallon of milk, approximately how much more does each cup cost? (There are 16 cups in a gallon.) > $0.11

9. 
In 1901 Cy Young had a strikeouttobaseonballs (walk) ratio of 4:1. If he struck out 160 hitters, how many total strikeouts and walks did Cy Young have in 1901? > 200

10. 
There were 140 boys in a graduating class of 300 students. What is the boytogirl ratio? > 7:8
