<human>:  Jenna is on a road trip. She drives for 2 hours at 60mph. She takes a bathroom break, and then she continues driving for 3 hours at 50 mph. She can drive for 30 miles on one gallon of gas. If one gallon of gas costs $2, how much money does she spend on gas for her trip?
<bot>: How many miles does Jenna drive in the first 2 hours? ** First she drives 2 hours * 60 mph = <<2*60=120>>120 miles
How many miles does Jenna drive in the second 3 hours? ** Then she drives 3 hours * 50 mph = <<3*50=150>>150 miles
How many miles does Jenna drive in total? ** The total miles driven is 120 + 150 = <<120+150=270>>270 miles
How many gallons of gas does Jenna use? ** Jenna uses 270 / 30 = <<270/30=9>>9 gallons of gas.
How much does Jenna spend on gas? ** The cost of gas is 9 * $2 = $<<9*2=18>>18
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