John currently has enough money to buy 45 books. if each book cost 10 cents less, john could buy 5 more books. how much money does john have to spend on book? ( be specific with the steps to get the result because i've been having a hard time : ? )

Will reward u brainliest! a restaurant did a survey among 100 customers to find their food preferences. the customers were asked about their preferences for pasta or rice. out of the total 30 people who liked pasta, 10 liked rice also. there were 40 people who liked rice. ok so all i need is someone to fill these in: like pasta and rice: like pasta, do not like rice: do not like pasta, like rice: do not like pasta or rice: