What is four and one half minus two in one third

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.