kaydenceskyem
28.05.2020 •
Mathematics
There were twelve times more children than adults at the matinee performance of
the school play. There were 455 people at the play. How many adults and
children were there?
(Show work pls)
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Ответ:
Call the number of children and adults, c and a.
Then we have
c = 12a and
c + a = 455
Substituting we have
12a + a = 455
13a = 455
a = 35 adults
c = 12(35) = 420 kids
Step-by-step explanation:
Ответ:
3/8 + 1/5 = 15/40 + 8/40 = 23/40
i don't know if that can be simplified