If dave is reading 3.5 then the answer is Dave and he read 170 more pages then Jack.
Step-by-step explanation:
3.5 pages x 60 minutes = 210 pages per hour
210
- 40= 170
170 + 40= 210 so thats how I know 170 is the answer.
It'll be 639.500 or just 639.5
<span>Length = x Width = 2x
Perimeter = 2 * length + 2 * width
= 2x + 4x
= 6x
6x = 66
x = 11
</span><span>Length = x Width = 2x
Perimeter = 2 * length + 2 * width
= 2x + 4x
= 6x
6x = 66
x = 11</span>
B. (-2,2)
The solution is where the two lines intersect