The graph below shows the number of tickets that a movie theater sold over a four week period.
If the theater continues selling tickets at the same rate, how many tickets do you predict they will sell during the 6th week?
A. 520 tickets
B. 590 tickets
C. 660 tickets
D. 730 tickets
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Answer:
870 tickets will be sold in the 6th week
Step-by-step explanation:
The tickets sold are 520, 590, 660, 730....
This is forming an AP with a=520 & d=590-520=70
We know that for an AP, the nth term is given by
aₙ=a+(n-1)d
∴ a₆=520+(6-1)×70 = 520+350= 870
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