During a 55-year period, 45% of snowstorms in a certain city caused power outages. thirty-three of the snowstorms did not cause power outages. find the total number of snowstorms in this city over the 55-year period.
p. s. first, find the percent of snowstorms that did not cause power outages. write this percent as a part-to-whole ratio. find an equivalent ratio with the appropriate number as the numerator.