Answer:
The element that you talked about is bromine
Answer:
4 bottles
Step-by-step explanation:
Given


Required
Determine the number of bottles
Represent the number of bottles with N
<em>This implies that N bottles of </em>
<em> fit into </em>
<em> of fertilizer. The relationship between them is:</em>
<em></em>


Multiply through by 8




<em>Hence, there are N = 4</em>
Answer:
8 hours
Steps:
Train 1:
Hours: 1, 2, 3, 4, 5, 6, 7, 8
Miles: 75, 150, 225, 300, 375, 450, 525, 600
Train 2:
Hours: 1, 2, 3, 4, 5, 6, 7, 8
Miles: 0, 0, 100, 200, 300, 400, 500, 600
You start with 100%, add 80% for the increase and you get 180%, take away 40% for the decrease and you get 140%