ratios and rate

• what is simplest form?

  it cannot be divide by a common factor and does not contain a decimal or fraction
• the ratio is only preserved when it is multiplied and not when you add to it
• examples of rate include pressure and wpm
• average rate

  rate fluctuates and changes but it is the average
• constant rate


  it stays the same
• to find the average speed so any pauses will be taken into account for total time
• speed = distance/time
• distance = speed x time
• time = distance/speed