Answer Key

Section A (15 marks)

Question 1 to 5 (1 mark each)]

Question 6 to 15 (2 marks each)

Question	Answer	Question	Answer
1	1	6	1
2	4	7	2
3	2	8	2
4	4	9	3
5	3	10	1
		11	4
		12	1
		13	3
		14	3
		15	3

Section B (20 marks)

Question 16 to 35 (1 mark each)

Question	Answer	Question	Answer
16	(a+6) 2	26	2
17	5/3 or 1 2/3	27	3
18	$72	28	42
19	2448	29	$70m
20	C	30	31.25%
21	2	31	1.92m
22	75%	32	59 + c
23	125	33	$554
24	5 : 14	34	70
25	6 : 15 : 40	35	1 I 875 ml

Section C (55 marks)

36. She had 2 3/5 kg of prawns left.

37. The ratio of the number of fiction books to the total number of books is 4 : 9.

38. (a) A
(b) D

39. $36 - $23 = $13

40. The total sum of money is $264.

41. The average number of stamps is (5x +5)/2 .

42. 71 game sets must be sold.

43. 7200 pupils did not visit the zoo.

44. (a) Sunny had 768 stickers.
(b) Sunny had 408 more stickers than Rudy.

45. (a) The fraction is 9/10.
(b) Candy has 315 marbles.
Deborah has 350 marbles.

46. He had 21 swordtails at first.

47. The total amount raised was $37500.

48. (a) There were 1200 roses
(b) $2000 can be collected.

49. (a) There are 120 green apples.
(b) $102 can be collected.

50. He must sell 15000 books.