for every left-handed person there are 4 right handed people. if there are 30 students how many students who are right-handed

Marie will earn $15 per hour at a new job. during training, she will earn $10 per hour. what percent of marie’s regular hourly rate will she earn during training?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,