Homepage

Course Index

Build a Quiz

Subscriptions

Courses

NSW Y12 Maths Standard 1 NSW Y12 Maths Standard 2 NSW Y12 Maths Advanced NSW Y12 Maths Extension 1 NSW Y12 Maths Extension 2

Topics

Rates and Ratios Networks Investments and Loans Non-Right Angled Trigonometry Simultaneous Equations Bivariant Data Analysis Annuities Non-Linear Relationships Normal Distribution Critical Path Analysis

NSW Y12 Maths - Standard 2 Rates and Ratios Rates and Concentrations

Resources for Rates and Concentrations

  • Questions

    11

    With Worked Solution
    Click Here
  • Video Tutorials

    5


    Click Here

Rates and Concentrations Theory

A rate is a comparison of amounts with different units.\\ Examples are: running rate, metres per second, wage rate, money earned per hour, speed, kilometres per hour, cost of chemical, cost per volume.\\ \textbf{Example}\\ A hippopotamus can run at 30 km/h. Its speed in metres/second is?\\ \textbf{Solution}\\ $\begin{aligned} \frac{30 \text{ km}}{\text{1 hour}}&=\frac{30\times 1000~\text{m}}{60\times 60~\text{ secs}}\\ &=8.3~\text{m/sec} \end{aligned}$\\

Create account

I am..

Please enter your details

I agree with your terms of service




Videos

Videos relating to Rates and Concentrations.

  • Rates and Concentrations - Video - Rates and Concentrations

    You must be logged in to access this resource

  • Rates and Concentrations - Video - How To Convert From Km/hr to m/s and m/s to Km/hr - With Shortcut!

    You must be logged in to access this resource

  • Rates and Concentrations - Video - Rates

    You must be logged in to access this resource

  • Rates and Concentrations - Video - Rates 3

    You must be logged in to access this resource

  • Rates and Concentrations - Video - Rates 2

    You must be logged in to access this resource

Plans & Pricing

With all subscriptions, you will receive the below benefits and unlock all answers and fully worked solutions.

  • Teachers Tutors
    Features
    Free
    Pro
    All Content
    All courses, all topics
     
    Questions
     
    Answers
     
    Worked Solutions
    System
    Your own personal portal
     
    Quizbuilder
     
    Class Results
     
    Student Results
    Exam Revision
    Revision by Topic
     
    Practise Exams
     
    Answers
     
    Worked Solutions
  • Awesome Students
    Features
    Free
    Pro
    Content
    Any course, any topic
     
    Questions
     
    Answers
     
    Worked Solutions
    System
    Your own personal portal
     
    Basic Results
     
    Analytics
     
    Study Recommendations
    Exam Revision
    Revision by Topic
     
    Practise Exams
     
    Answers
     
    Worked Solutions