The boxoffice opens 80 minutes before Elena's violin recital. Every 5 minutes, 2 tickets are sold. In addition, 450 tickets were
sold in advance. How many tickets are sold altogether?
1 answer:
Every 5 minutes, 2 tickets are sold....that means in every 5/2 = 2.5 minutes, 1 ticket is sold.
so we are dealing with 80 minutes....if every 2.5 minutes, 1 ticket is sold, then in 80 minutes 80/2.5 = 32 tickets are sold.
And there were 450 tickets sold in advance.
for a total of 450 + 32 = 482 tickets sold <==
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