Maths- chapter 1

Cards (14)

  • percentage is out of 100
  • rate is the change between 2 variables of different units
  • Convert mins to hours by dividing by 60
  • Convert hours to mins by multiplying by 60
  • What to do when the question asks for km/h with mins?
    Convert the minutes to hours and then calculate the speed in km/h
  • Wage is the pay based on an hourly rate
  • Salary is the amount of money paid to an employee for a job
  • Calculate the salary with inflation by adding '100' to the inflation price, convert to decimal, and multiply ANS by the salary
  • Get monthly, fortnightly, weekly pay by dividing salary by the number in the month/fortnight/week
  • wages can be compared by looking at hourly rate
  • allowance is getting paid extra for working in harder conditions
  • to calculate the hourly pay of a worker who has allowance rate, calculate normal pay by multiplying hours worked by pay rate, then calculate allowance by multiplying hours worked with allowance by allowance rate, then add the pays together
  • How do you find the commission (%) with a certain amount of money?
    Divide the percentage by 100, multiply by money
  • How to find commission on a sale with retainer price?
    Divide percentage by 100, multiple by sale price, add retainer price