Students were asked to answer a question at schools and to declare what is most important for them to succeed. Of the many replies, one which that stood out was practice. People who are always successful do not become successful by being born. They work hard and perseverance their lives to succeeding. This is how you can achieve your goals. down below some question and answer examples that you could certainly benefit from to improve your knowledge and gain insight that will guide you to sustain your school studies.

## Question:

Genevieve is buying a car audio system that consists of a stereo, speakers, and amplifiers. She is choosing between 5 types of stereos and 2 types of amplifiers. If she has a total of 30 choices, how many types of speakers must there be?

## Answer:

**Answer:**

## 3 types of speakers must be there.

**Step-by-step explanation:**

If Genevieve is choosing between 5 types of stereos and 2 types of amplifiers, that means, she has 10 options available to choose, because . The total number of combinations is found with a product because there are different types of stuff, like choosing between pants and shirts.

Now, if we has 10 possible ways to choose, and she finally makes 30 choices, the type of speakers can be found by dividing the total 30 choices by the 10 possible

Therefore, there must be 3 types of speakers.

From the answer and question examples above, hopefully, they could help the student resolve the question they had been looking for and observe of everything that stated in the answer above. You can then have a discussion with your classmate and continue the school learning by studying the question together.