Do you go to BASIS? 
Sorry I don't have an answer for you, but we have the same assignment in our AP Comp sci class. 
Just wondering.
 
        
             
        
        
        
10,700+5000+1600=17,300
24,500-17,300=7,200
7,200/10=
$720.00 will need to be saved every month.
        
                    
             
        
        
        
There’s 3 main ones accelerometer, gyroscope, and magnetometer.