Explanation:
20 men can do 1 W in 36 days
=> 20 men can do 1/36 W in 1 day
=> 10 men can do 1/72 W in 1 day.
30 girls can do 1W in 36 days
=> 30 girls can do 1/36 W in 1 day
=> 12 girls can do 1/90 W in 1 day.
Together 10 men and 12 girls can do 1/72 + 1/90 W in 1 day
= 9/360 = 1/40 W in 1 day.
Therefore they need 40 days to do the piece of work.
He was ambushing her because he was just waiting for her to say it
The answer is C. In times or war, free speech may be more limited than in times of peace
This is to not damage the support for the war.
Option (c) 1 in 54 is correct.
Every 1 in 54 children in United States have autism.
<h3>What is autism?</h3>
- ASD, often known as autism spectrum disorder, is a neurological and developmental condition that affects how people connect with others, communicate, learn, and conduct.
- Although autism can be identified at any age, because symptoms typically emerge in the first two years of life, autism is referred to be a "developmental condition."
- Autism symptoms include: Issues with social connections. verbal and nonverbal communication impairment.
- The frequency of autism in the US has gradually increased since researchers started monitoring it in 2000.
- Autism is characterized by a pattern of repetitive behavior and narrow, constrained interests. Concerns about a "epidemic" of autism have been raised by the rate increase.
Learn more about autism here:
brainly.com/question/14299719
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