SOLUTION: you must make programs for graduation. the auditorium has 20 seats in the first row, 21 seats in the second row, 22 in the thirds and so on. the auditorium has 27 rows of seats. ho
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Question 972150: you must make programs for graduation. the auditorium has 20 seats in the first row, 21 seats in the second row, 22 in the thirds and so on. the auditorium has 27 rows of seats. how many copies of the program must you make?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
(l\ -\ a\ +\ 1)}{2})
So:
\cdot 8}{2})
Do the arithmetic.
John
My calculator said it, I believe it, that settles it
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