If two quantities are in the ratio 5:8 and the second quantity is 48, what is the first quantity?

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Multiple Choice

If two quantities are in the ratio 5:8 and the second quantity is 48, what is the first quantity?

Explanation:
A ratio shows how many parts one quantity has relative to another. The 5:8 ratio means the first quantity is 5 parts when the second is 8 parts. If the second quantity is 48, each part equals 48 ÷ 8 = 6. The first quantity, being 5 parts, is 5 × 6 = 30. You could also write it as a proportion: first = (5/8) × 48 = 30. Therefore, the first quantity is 30.

A ratio shows how many parts one quantity has relative to another. The 5:8 ratio means the first quantity is 5 parts when the second is 8 parts. If the second quantity is 48, each part equals 48 ÷ 8 = 6. The first quantity, being 5 parts, is 5 × 6 = 30. You could also write it as a proportion: first = (5/8) × 48 = 30. Therefore, the first quantity is 30.

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