Answer:
x=55.5
Step-by-step explanation:
2x=111
Isolate x by dividing both sides by 111
x=55.5
Answer:
7/48,0.5,9/16,0.75
Step-by-step explanation:
Hope this helps
Answer: plot a point at (-8, -5)
The y coordinate flips from positive to negative, or vice versa, when we reflect over the horizontal x axis. The x coordinate stays the same.
The rule can be written as 
Answer:
400/1000×100%
40% is the percent of decrease from 1,000 to 400.
Answer:
<em>20 boys </em>
Step-by-step explanation:
b = 2g
100% - 20% = 80%
80% ÷ 2 = 40% = 0.4
0.4g = 4 ⇒ g = 4 ÷ 0.4 = 10
b = 2 × 10 = 20
There are 10girls and <em>20 boys</em> study in the class.