Answer:
190 cm
Step-by-step explanation:
If m represents the length of the motorbike, then we have ...
car + (added length1 of bus) = motorbike + (added length2 of bus)
470 cm + 310 cm = m + 590 cm
m = (470 +310 -590) cm = 190 cm
The motorbike is 190 cm long.
