While baking, Evan discovered a recipe that required 1/2 cups of walnuts for every 2 1/4 cups of flour. How many cups of walnuts will he need for 4 cups of flour?(redo, good explanation and steps)

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees