Answer:
1/4
Step-by-step explanation:
Find the area of the full rectangle:
=> 40 x 30 = 1200
Find the area of the uncut part:
=> 20 x 15
=> 300
Make these numbers as a fraction.
=> 300 / 1200
=> 3/12
=> 1/4
So, 1/4 part remains uncut.
The 1,4 triangle and the 2,8 triangle so the one on the bottom of A and to the right of it
Answering your question on "9 students can make a poster in 10 hours. How many students should join them so that they all together can make this poster in 6 hours" its 13 students
By our very goofy system the circle constant
denotes half a circle,
. So the conversion factor from radians to degrees is

Calling the rightmost dot [1] and counting counterclockwise, that's dot [4].

That's dot [6]

That's dot [12]

That's dot [14]
Answer:
850- 475= 375 increase over 2 months.
375 ÷2= $187.50