Kelly is knitting a scarf for her brother. It took her 1/3 hour to knit 3/8 foot of a scarf. How fast is Kelly’s knitting speed, in feet per hour?

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books