sebastianmendez649 sebastianmendez649 09-03-2021 Mathematics contestada All the comic books in a store are the same price. If Vera buys 3 comic books for $7.50, how much do 7 comic books cost? Step 1 - Find the cost of 1 comic book (unit rate.) Step 2 - Use the unit rate to find the cost of 7 comic books.