Study the following table and answer the question:

Number of cars sold by dealers A, B, C, D & E during first six months of 2018.

Dealer	Month
	January	February	March	April	May	June
A	620	640	628	635	430	625
B	600	642	635	580	450	620
C	640	635	640	540	625	740
D	520	645	722	740	600	780
E	548	638	720	740	650	800

The average number of cars sold by dealer C in February, April and May exceeds the number of cars sold by the dealer E in January by x . The value of x lies between