1) Express 15 students for 3 teachers as a simplified rate a) 15/3 b) 5 students/teacher c) 3 students/teacher d) 5 e) 3 teachers/student f) 5 teacher/student 2) Express $40 for 10kg as a simplified rate a) 4kg/$ b) 4 c) $40/10 d) $4/kg e) 10kg f) $40 3) Express 12 days in 4 years as a simplified rate a) 12 days/year b) 3 days/year c) 3 years/day d) 12 years/day e) 1/3 years/day f) 1/3 days/year 4) Express $180 in 6 hours as a simplified rate a) 30 hours/cent b) $30 c) 30 hours d) 30 cents/hour e) 30 hours/$ f) $30/hour 5) Express $126000 to purchase 9 acres as a simplified rate a) 14 000 acres/$ b) $14 000/acre c) 14 000 d) $14 000 e) 14 000 acres f) $9 per acre 6) Express $17.50 for 5 kilograms as a simplified rate a) $3.50/kg b) 3.50 c) $3.50 d) 3.50 kg e) 3.50 kg/$ f) $5/kg 7) Express 15 kilometres run in 60 minutes as a simplified rate a) 250 m/minute b) 15 m c) 60minutes d) 15 e) 0.25 f) 0.25 minutes 8) Express 60 minutes to run 15 kilometres as a simplified rate a) 4 km/minute b) 15 minutes c) 15 km d) 4 minutes/km e) 4 f) 1/4 9) Express Find the average rate of change for: Relma drove 6000 kilometres in 20 days. a) 300 days/km b) 300 km/day c) 20 days d) 6000 km e) 300 f) 200 10) Express Find the average rate of change for: Holly saved $420 over three years.  a) 1/140 b) $1/140 years c) 1 year/$140 d) 140 e) 140 years/$ f) $140/year

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