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kondaur [170]
3 years ago
11

At a school concert the orchestra plays 8 songs that are 4.25 min long and 3 songs that are twice as long as each of the others.

How long is the concert ?
Mathematics
1 answer:
Orlov [11]3 years ago
5 0

Answer:

Total time of the concert  = 59.5 min =  59 minute 30 seconds

Explanation:

 At a school concert the orchestra plays 8 songs that are 4.25 min and 3 songs that are twice as long as each of the others.

 Total length of 8 songs = 4.25*8 = 34 min

 Length of 3 songs = 2*4.25 = 8.5 min

 Total length of 3 songs = 3* 8.5 = 25.5 min

Total time of the concert = 34 + 25.5 = 59.5 min =  59 minute 30 seconds

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