Find the unit rate for 90% books to 10% magazines. (Consider the unit rate to be the number of books per magazine.).

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

3/4 + p = 1/2? i’m not sure how to solve it

Which function best fits the following points?