50 points Available!!!!!
 On a drawing, the scale is 1 centimeter to 50 centimeters. Which of the following is not correct? 
 actual length = 150 cm; drawing length = 3 cm 
 actual length = 250 cm; drawing length = 5 cm 
 drawing length = 9 cm; actual length = 400 cm 
 drawing length = 7 cm; actual length = 350 cm