Relative frequencies are calculated as . Percentages
Medians
Ranges
Totals

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Draw a scaled copy of the circle using a scale factor of 2

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )