3 years ago

55% of the students at a school are girls. If there are 231 girls at the

Mathematics

1 answer:

Simora [160]3 years ago

7 0

Answer:

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

Answer: 420

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