Mathematics
hammondm315
2

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. 

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(1) Answers
mcxp53

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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