###Human: Miss Davis gave 15 popsicle sticks to each of the 10 groups in her class. How many sticks does she have left if she had 170 popsicle sticks?, ### Assistant: Miss Davis gave a total of 15 x 10 = 150 popsicle sticks to the 10 groups in her class.
So, she is left with 170 - 150 = 20 sticks. 
 So the answer is :  20