If the ratio of boys to girls is 3:5 and there are 24 boys, how many girls are there?

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Prepare for the Jamaica Training Aid Test with our comprehensive quiz. Use flashcards and multiple-choice questions to enhance your learning. Ensure success with detailed explanations and hints.

Multiple Choice

If the ratio of boys to girls is 3:5 and there are 24 boys, how many girls are there?

Explanation:
Understanding how to use a ratio to scale quantities helps you find missing parts when one side is known. The ratio of boys to girls is 3:5, and there are 24 boys. The 24 boys correspond to the 3 parts of the ratio, so one part equals 24 ÷ 3 = 8. The girls take the remaining 5 parts, so 5 × 8 = 40 girls. Therefore, there are 40 girls. The other numbers wouldn’t fit the given ratio with 24 boys.

Understanding how to use a ratio to scale quantities helps you find missing parts when one side is known.

The ratio of boys to girls is 3:5, and there are 24 boys. The 24 boys correspond to the 3 parts of the ratio, so one part equals 24 ÷ 3 = 8. The girls take the remaining 5 parts, so 5 × 8 = 40 girls. Therefore, there are 40 girls. The other numbers wouldn’t fit the given ratio with 24 boys.

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