Answer:
13. no solution
15. 3
16. 2
17. 5
18. -8
19. -7
20. 6
21. -5
22. -7
That expression would be 6n-3, where n is the number in question.
99 m
Step-by-step explanation:
The 10 covers required ...
(10 covers) × (3 m/cover) = 30 m
So the amount remaining is ...
150 m - 30 m - 21 m = 99 m
Lee has 99 m of the fabric left.
The answer is C
