Jose spent 2 hours watching TV. During that time, there were 12
minutes of commercial. What
percent of the time Jose spent
watching commercials?

How can you decide witch operations to use to slice a two step equation

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1

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%