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marusya05 [52]
2 years ago
7

In a class, 60% of the students are boys and the rest are girls. If the number of boys is 30, how many students are there? ​

Mathematics
1 answer:
irga5000 [103]2 years ago
5 0

50 total students

  • 20 girls

Explanation:

total students: 100%

----------------

  • 60% → 30
  • 1% → 30/60
  • 1% → 0.5
  • 100% → (0.5 * 100)
  • 100% → 50

number of girls:

  • total students - number of boys
  • 50 - 30
  • 20
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