gwen8605
08.07.2019 •
Mathematics
There are 3 seniors for every 2 juniors in the concert choir. if there are 21 seniors in all, how many jurors are in the concert choir
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Ответ:
The ratio ...
... seniors : juniors = 3 : 2
can be multiplied by 7 to get
... = 21 : 14
indicating there are 14 juniors for the 21 seniors in the choir.
Ответ:
Step-by-step explanation:
(x + y)^5 = 1·x^5·y^0 + 5·x^4·y^1 + 10·x^3·y^2 + 10·x^2·y^3 + 5·x^1·y^4 + 1·x^0·y^5
Correct is only A