|
Price Size Which size is the best value? The The costs of different sizes of bottled sport drink are shown. Which bottle costs the least per ounce? 8 oz. $0.89 oz bottle has the lowest cost per ounce. 16 oz. $1.09 $1.89 24 oz. 32 oz. $2.39 Earnings ($) Hours (h) Determine if the situations represent proportional relationships. The table shows the amount Maggie earns each hour she babysits. No, it is not proportional Yes, it is proportional 12 2 18 3 24 4 Cost ($) Bottles Determine if the situations represent proportional relationships. The table shows the cost of shampoo at a discount store. No, it is not proportional Yes, it is proportional $2.95 1 $4.50 2 $6.05 3 Myra can fill 9 glasses of iced tea with 1 container, and and she knows that there is a proportional relationshipbetween the number of glasses and the number ofcontainers. Containers Glasses Use the following information to complete the table below 9 1 18 ? 2 27 ? 3 ? 36 4 45 ? 5 54 ? 6 ? 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Does this graph represent a proportional relationship? Yes No 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Write the equation for the proportional relationship. How much would she earn for 17 hours of work? $ Two weeks ago, Audrey earned $84 for 7 hours of work.This week, she earned $132 for 11 hours of work. Write an equation to represent the situation. What is her pay rate? dollars per hour. |