Suppose hospital A admitted 21 less Covid infected patients than hospital B, and all eventually recovered. The sum of recovery days for patients in hospitals A and B were 200 and 152, respectively. If the average recovery days for patients admitted in hospital A was 3 more than the average in hospital B then the number admitted in hospital A was
A. 21
B. 35
C. 42
D. 49
E. 56
A. 21
B. 35
C. 42
D. 49
E. 56