Question
Student Statistics The number of right-handed students in a mathematics class is nine times the number of left-handed students. The total number of students in the class is $30 .$ How many right-handed students are in the class? How many left-handed students are in the class?
Step 1
According to the problem, we know that $R$ is nine times $L$, which can be written as: \[R = 9L\] Show more…
Show all steps
Your feedback will help us improve your experience
Amrita Bhasin and 81 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
In a class of 30 students, on average 6 will be left-handed. If a class includes 27 lefties, estimate how many students are in the class.
Class Seating. If there are 30 students in a class and there are exactly 30 seats, how many possible seating charts can be made, assuming all 30 students are present?
Sequences, Series, and Probability
COUNTING, PERMUTATIONS, AND COMBINATIONS PROBABILITY
Open-Ended Find the number of left-handed students and the number of right-handed students in your class. Suppose your teacher randomly selects one student to take attendance and then a different student to work on a problem on the board. a. What is the probability that both students are left-handed? b. What is the probability that both students are right-handed? C. What is the probability that the first student is right-handed and the second student is left-handed?
Data Analysis and Probability
Probability of Compound Events
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD