B. 9/19
Step-by-step explanation:
there was 20 dogs in total he took 1 black dog now 19 in total, now 9 black dogs and 10 brown dogs so one less probability of black dogs so 9 black dogs and 10 brown dogs so 9/19
3. CAD: 90-64=26°
4. SOP: 180-76=104°
The percentage shows that they were 28% more likely to come from Riverdale High school.
<h3>How to calculate the percentage?</h3>
From the information given, the percentage of those from Rockport will be:
= 25/(25 + 44) × 100.
= 25/69 × 100
= 36.23%
The percentage of those from Riverdale will be:
= 44/(25 + 44) × 100.
= 44/69 × 100
= 63.77%
Therefore, the difference will be:
= 63.77% - 36.23%
= 28% approximately.
Learn more about percentages on:
brainly.com/question/24304697
The temperature drops 22<span>°F in 15 minutes.
22</span>°F / 15 = 1.46<span>°F per minute
Hope I helped!</span>
X=2.3
You add 6.5 to both sides and get the answer X equals 2.3 :)