juana2019
09.06.2021 •
Mathematics
Help please will give brainliest
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Ответ:
That will be C
Step-by-step explanation:
Ответ:
420
Step-by-step explanation:
The number of students in the school is unknown, so we'll call it x.
55% of the number of students are girls.
There are 321 girls.
55% of x = 231
0.55x = 231
x = 231/0.55
x = 420
420