Section 1.6 Division of Whole Numbers 53 Solving an Application Involving Division Example 9 The graph in Figure 1-8 depicts the number of calories burned per hour for selected activities. Number of Calories per Hour for Selected Activities 140 Sleeping Bicycling Figure 1-8 Number of Calories per Hour 800 700 600 500 400 300 200 100 0 500 500 350 700 Jogging Tennis Walking a. Janie wants to burn 3500 calories per week exercising. For how many hours must she jog? b. For how many hours must Janie bicycle to burn 3500 calories? Solution: a. The total number of calories must be divided into 500-calorie increments. Thus, the number of hours required is given by Janie requires 7 hr of jogging to burn 3500 calories. b. 3500 calories must be divided into 700-calorie increments.The number of hours required is given by Janie requires 5 hr of bicycling to burn 3500 calories. 5 7003500 3500 0 3500 700. 7 5003500 3500 0 3500 500. Skill Practice 18. The cost for four different types of pastry at a French bakery is shown in the graph. Cost for Selected Pastries 2 4 Melissa has $360 to spend on desserts. Cost ($) 5 4 3 2 1 0 a. If she spends all the money on chocolate éclairs, how many can she buy? b. If she spends all the money on apple tarts, how many can she buy? Answer 18. a. 180 chocolate éclairs b. 72 apple tarts 3 5 Chocolate éclairs Almond tarts Chocolate truffles Apple tarts
miller_prealgebra_2e_ch1_3
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