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.
A because due to a lot of gas/smoke in the air people in japan wear mask due to the dangerous gas
Answer:
When she has gained a lot from George riches
Explanation: from the above, Linda is only interested in george's riches because from her statement George is rich and given time ,she may eventually come to love him . her love is dependent on the time and riches of George.
Answer:
B) They are both primary sources regarding the Thirteenth Amendment.
Explanation:
The first source is from the Constitution itself, the second is from a newspaper written at the time the amendment was created.
