1. Read and understand the situation. Joan helps feed the chickens in her father’s farm. Each day, a chicken eats 70 g of growing mass. Joan must prepare a food budget for the chickens. DAILY FOOD BUDGET Number of ChickensAmount of Food 70 g 140 g next

2. No. Of Chickens 12345678 Amount of food 70140 a. Complete this table. b. In your own words, describe how to find the amount of food needed for a day if you know the number of chickens. c. Write the relationship between the amount of food needed and the number of chickens in symbols. next back

3. a.Is it possible to substitute a negative number for r? Why or why not? b. Can r have a fraction like ½ or ¾ as its value? Why or why not? c. Can 70 be replaced by another number? Why or why not? Answer the following questions on your paper. nextback

4. Since r can take on many different values, we say that r is a variable. Its value varies. On the other hand, 70 is a constant since the amount of food for each chicken each day is a fixed value. Exit back