Take half of the input, 30, and subtract 10. What is the output?

Can someone me i’m confused. will give brainliest and a whole bunch of points

How much orange juice do you need to make 2 servings of lemony orange slush?

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work: