Grade 5 Academic Math U2L7HW2

5. There are 3 times as many girls as boys on a cruise ship. There are twice as many adults as girls. There are 4,500 people altogether on the cruise ship. How many adults are there?

6. Kaylee and Heather had the same amount of money at first. After Kaylee spent $90, Heather had 4 times as much money as Kaylee. How much money did they have altogether at first?

7. Ryan collected 2,650 baseball cards, football cards, and hockey cards. He has 3 times as many baseball cards as football cards. He has 150 more hockey cards than football cards. How many baseball cards does he have?

8. A laptop and 3 tablets cost 810 dollars. A laptop and 1 tablet cost 630 dollars. How much does one laptop cost? How much does one tablet cost?

9. Box A and Box B contained a total of 18,000 nails. After 2,500 nails were transferred from Box A to Box B, Box A had 3,000 more nails than Box B. How many nails did Box A have at first?