Which of these rate descriptions represent unit rates? Check all that apply. 100 calories for 2 servings A.) $5 for every pound

A.) 1mile per 3 hours

A.) 4 words per minute

A.) $2 for every 30 minutes

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

What fraction is equivalent to 0.46464646··· a. 46⁄99 b. 46⁄999 c. 46⁄100 d. 23⁄50

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?