Aaliyah bought 8 books about plants and 4 books about fish. She also bought 4 science magazines. Each book cost $20 and each magazine cost $6. How much did Aaliyah spend in all?

Carrie bought 3 books about plants and 3 books about fish. She also bought 5 science magazines. Each book cost $6 and each magazine cost $5. How much did Carrie spend in all?

Mrs Ashton buys journals for the students in her language arts class. She pays $66.30 for all of the journals. If there are 26 students in her class, how much does each journal cost?

Ruben wants to buy a dictionary that costs $15, a dinosaur book that costs $16, and a children's cookbook that costs $6. He has saved $8 from his allowance. How much more money does Ruben need to buy all three books?

At the zoo gift shop, posters of sloths cost $4 and posters of tamarins cost $10. Mrs. Roy bought 5 posters and spent $32. How many of each type of poster did she buy?

Abby can buy bottles of water in packages of 6 for $15.60 or in packages of 4 for $13.00. How much money does she save by buying 36 bottles of water at the better price?