How many terms are there in the arithmetic sequence 13,16,19, \ldots, 70,73 ?
Answer Choices
A. 20
B. 21
C. 24
D. 60
E. 61
How many terms are there in the arithmetic sequence 13,16,19, \ldots, 70,73 ?
Answer Choices
A. 20
B. 21
C. 24
D. 60
E. 61