Use the tape diagram to find the ratio. mr. morris' art class used blue paint and purple paint for a school mural. find the part-to-part ratio of purple paint to blue paint. [write the ratio in simplest form, using a colon and no spaces.]

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%