1) Pedro rides his bike for 30 minutes every day, from Monday to Friday. How many minutes does he spend cycling in a week? If he burns 5 calories per minute, how many calories does he burn in total during the week? a) 50 minutes; 750 calories b) 180 minutes; 900 calories c) 150 minutes; 750 calories 2) Mariana attends a fitness class that lasts 45 minutes, four times a week. How many minutes does she spend in the fitness class in a month? If she burns 100 calories per class, what is her total calorie expenditure in a month? a) 3 hours; 400 calories b) 2 hours; 300 calories c) 3 hours; 500 calories 3) João goes for a jog for 20 minutes every morning, Monday through Sunday. How many minutes does he jog in a week? If he burns 8 calories per minute, what is his total calorie burn for the week? a) 120 minutes; 960 calories b) 140 minutes; 1,120 calories c) 100 minutes; 800 calories 4) Carla swims for 15 minutes every day, excluding weekends. How many minutes does she spend swimming in a month? If she burns 10 calories per minute, what is her total calorie expenditure for the month? a) 300 minutes; 3,000 calories b) 450 minutes; 4,500 calories  c) 360 minutes; 3,600 calories 5) Luciana participates in a dance class for 1 hour every Saturday and Sunday. How many hours does she spend dancing in a month? If she burns 75 calories per hour of dance, what is her total calorie burn for the month? a) 8 hours; 600 calories b) 6 hours; 450 calories c) 4 hours; 300 calories

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