Answers

Question 1

Answer:

16c

Solution:

We write 16 x c as 16c.
So, 16c = 16 x c

Question 2

Answer:

(a) 0, (b) 3

Solution:

When y = 2,
(a) (y - 2)÷ 999 = (2 - 2) ÷ 999 = 0
(b) 

3

4

 x (y + 2) = 

3

4

 x (2 + 2) = 3

Question 3

Answer:

(a) 21, (b) 21

Solution:

When y = 9,
(a) (y - 2)÷3 = (9 - 2) ÷ 3 = 2
(b) 

7

10

 x (y + 21) = 

7

10

 x (9 + 21) = 21

Question 4

Answer:

(a) 2, (b) 2

Solution:

When y = 8,
(a) (y − 2)÷3 = (8 − 2) ÷ 3 = 2
(b) 

1

3

 x (y − 2) = 

1

3

 x (8 − 2) = 2

Question 5

Answer:

b+2

Solution:

Add b to 2 → b + 2 or 2 + b.

Question 6

Answer:

y+7

Solution:

Add y to 7 → y + 7 or 7 + y.

Question 7

Answer:

t+1

Solution:

Add t to 1 → t + 1 or 1 + t.

Question 8

Answer:

h+5

Solution:

Add h to 5 → h + 5 or 5 + h.

Question 9

Answer:

4s

Solution:

s + s + s + s = 4s

Question 10

Answer:

4d

Solution:

d + d + d + d = 4d

Question 11

Answer:

8k+4 stars

Solution:

Thor: 8 x k = 8k
Hercules: Add 4 to 8k → 8k + 4 
So, Hercules has 8k+4 stars.

Question 12

Answer:

50k+13 gold bars

Solution:

Bruce: 50 x k = 50k
Bill: Add 13 to 50k → 50k + 13 
So, Bill has 50k+13 gold bars.

Question 13

Answer:

12k+2 treasure boxes

Solution:

Asmi: 12 x k = 12k
Suriaman: Add 2 to 12k → 12k + 2 
So, Suriaman has 12k+2 treasure boxes.

Question 14

Answer:

11k+9 toy dinosaurs

Solution:

Merlyn: 11 x k = 11k
Adam: Add 9 to 11k → 11k + 9 
So, Adam has 11k+9 dinosaurs.

Question 15

Answer:

(4k+6) marks

Solution:

Keddy's marks: 4 x k = 4k
Sharko's marks: Add 6 to 4k → 4k + 6 
So, Sharko scored 4k+6 marks.