Answer:
2.22 hours
Explanation:
If Sally can paint the office by herself in 5 hours, we can say that in one hour she paints 1/5 of the office.
On the other hand, Lucy paints the office in 4 hours, which means that, in 1 hour she paints 1/4 of the office.
Therefore, to know how much they would paint per hour working together, we are going to sum up the fractions they paint per hour:
Therefore, working together they will paint of the office in one hour.
Now we can establish a rule of three: if they paint 0.45 of the office in 1 hour, how long (x) will it take them to paint 1.0 of the office?
And therefore
Therefore, it will take them 2.22 hours to paint the office working together.
Answer: The stock market lost 14 billion dollars that day
Answer:
It is important because knowing for yourself is much better than leaning on other people, or the internet for support. It would be very hard to have an opinion about something, or even have a conversation without having an understanding of it first.
Explanation:
Answer:
Explanation:
Coalition formed in 1936 between Italy and Germany. An agreement formulated by Italy's foreign minister Galeazzo Ciano informally linking the two fascist countries was reached on October 25, 1936. It was formalized by the Pact of Steel in 1939. The term Axis Powers came to include Japan as well.
Answer: The answer is anxiolytics
Explanation: Anxiolytics help to relieve anxiety thereby providing emotional equilibrium.