A length of 12 meters is shortened by 15%. What is the new length?

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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

A length of 12 meters is shortened by 15%. What is the new length?

Explanation:
Shortening a length by a percentage means subtracting that percent of the original length from the original. Calculate 15% of 12 meters: 0.15 × 12 = 1.8 meters. Subtract this from the original length: 12 − 1.8 = 10.2 meters. Therefore, the new length is 10.2 meters. The other numbers don’t fit because 13.0 meters would require an increase, 10.8 meters corresponds to a 10% reduction, and 9.6 meters would be a 20% reduction.

Shortening a length by a percentage means subtracting that percent of the original length from the original. Calculate 15% of 12 meters: 0.15 × 12 = 1.8 meters. Subtract this from the original length: 12 − 1.8 = 10.2 meters. Therefore, the new length is 10.2 meters. The other numbers don’t fit because 13.0 meters would require an increase, 10.8 meters corresponds to a 10% reduction, and 9.6 meters would be a 20% reduction.

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