The ratio of apples to oranges in a fruit basket are 3 to 5. if there are 40 apples and oranges altogether, how many apples must there be?

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

Answer for 10 points show work you guys in advanced < 3

If f(x)=x+7 and g(x)=1/x what is (fog)(x)