1. Adult tickets for a play cost $11 and child tickets cost $10. If there were 23 people at a performance and the theater collected $246 from ticket sales, how many children attended the play?
A) 8 children B) 16 children C) 7 children D) 6 children
2. Bob invested $20,000, part at 14% and part at 13%. If the total interest at the end of the year is $2,720, how much did he invest at 14%?
A) $11,000 B) $12,000 C) $8,000 D) $13,000
4. One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.
A) 34 B) 17 C) 5 D) 7
5. The length of a rectangle is 8 in. more than twice its width. If the perimeter of the rectangle is 64 in., find the width of the rectangle.
A) 8 in. B) 9 in. C) 10 in. D) 7 in.
10. Solve the system by addition.
5x – 4y = –5
x – 2y = –7
16. Angus invested $18,000, part at 3% and part at 5%. If the total interest at the end of the year is $660, how much did he invest at each rate?
17. Solve the system by addition.
2x – 4y = 7
4x + 2y = 9
19. Sally bought three chocolate bars and a pack of gum and paid $1.75. Jake bought two chocolate bars and four packs of gum and paid $2.00. Find the cost of a chocolate bar and the cost of a pack of gum.