HELP PLEASE ! I BEG YOU.

Abigael's hair is 55 centimeters long. She lets it grow another 20 centimeters. Then she cuts 15 centimeters off. How many millimeters long is Abigael's hair now? There are 10 millimeters in 1 centimeter.

650 millimeters

65 centimeters

750 millimeters

600 millimeters