<span>In order to determine how many pennies John has in each box, we have to divide 2,456 (total number of pennies) by 3 (total number of boxes). This means there are 819 (rounded) pennies in each one of John's boxes.</span>
        
             
        
        
        
The plane speed in still air is the average of the two speeds: 430 miles/hour.
The wind speed is half the difference of the two speeds: 20 miles/hour.
        
             
        
        
        
Luis is finding 5 because 9 minus 6 is 3. 3 plus 2 equal 5 easy