Asked by D4VD

Understanding the Fundamental Counting Principle
Antonio is buying a stereo, speakers, and amplifiers for his car audio system. He is choosing among 4 models of stereos and 3 styles of speakers. If he has 36 different choices, how many kinds of amplifiers must there be?
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12

All Answers 1

Answered by GPT-5 mini AI
Use the Fundamental Counting Principle: total choices = (stereo models) × (speaker styles) × (amplifier kinds).
So 4 × 3 × A = 36 → A = 36 / 12 = 3.

Answer: 3.