The ratio 3:5 scaled by a factor of 4 yields which pair?

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Prepare for the Local 483 Apprenticeship Exam. Utilize flashcards and multiple-choice questions, with hints and explanations for each. Get exam-ready today!

Multiple Choice

The ratio 3:5 scaled by a factor of 4 yields which pair?

Explanation:
Multiplying both parts of a ratio by the same factor keeps the proportion the same. So, scaling 3:5 by 4 means multiplying each term by 4: 3×4 = 12 and 5×4 = 20, giving 12:20. This shows the same ratio expressed with a larger scale. Other scaled versions would be 15:25 (scale by 5), 6:10 (scale by 2), or 9:15 (scale by 3), which confirms that 12:20 comes from scaling by 4.

Multiplying both parts of a ratio by the same factor keeps the proportion the same. So, scaling 3:5 by 4 means multiplying each term by 4: 3×4 = 12 and 5×4 = 20, giving 12:20. This shows the same ratio expressed with a larger scale. Other scaled versions would be 15:25 (scale by 5), 6:10 (scale by 2), or 9:15 (scale by 3), which confirms that 12:20 comes from scaling by 4.

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