human
Carla's brush is 12 inches long. If Carmen's brush is 50% longer than Carla's brush, how long is Carmen's brush in centimeters? (There are 2.5 centimeters per inch.)
assistant
How long is Carmen's brush? ** First find the length of Carmen's brush in inches: 150% * 12 inches = <<150*.01*12=18>>18 inches
How long is Carmen's brush in centimeters? ** Then convert the length from inches to centimeters: 18 inches * 2.5 centimeters/inch = <<18*2.5=45>>45 centimeters
#### 45