If you double a number and then add 24, you get two sevenths2/7 of the original number. what is the original number?

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

The key on a road map has a scale factor of 1.5 inches = 50 miles. the distance between santa fe and albuquerque measures 7.5 inches. the distance between santa fe and taos is 0.75 inches. what is the actual distance between the cities?

If the alternate hypothesis of an experiment is “the true mean height of the giraffes is more than 15 feet” what is the null hypothesis?