The concert lasts 60 minutes, and the songs are all the same length. The choir sings a total of 12 songs, 2 of which are sung by
the sopranos only. For how many minutes do the sopranos sing by themselves? Solve the equations using a letter for the unknown quantity.
2 answers:
Answer:
10 minutes
Step-by-step explanation:
60 / 12 = 5
5 *2 = x=10
this means that x = 10
60mins= 12x
60/12=12x/12
5=x
x= length of songs
5 x 2= 10 mins soprano sings by themselves
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