Step-by-step explanation:
First draw a straight line
then mark a point A on the line
after take the compass and take 10 cm size
then keep the compass on A and draw the arc its B
then keep the point on B and draw arc to A
next keep the compass on A draw arc on same length
to upside to line do same thing from point B to upside
mark a point meeting borth arcs its c
all ABC triangle
3/5 hour ⇒ 1/4 of the book
Find 1/5 hour:
1/5 hour ⇒ 1/4 ÷ 3 = 1/4 x 1/3 = 1/12 of the book
Find 5/5 (1 hour):
5/5 hour ⇒ 1/12 x 5 = 5/12 of the book
Answer: 5/12 of the book
The answer is 345 students.
I did reverse math(i don't remember the name)
138/.4=345
Now check it:
345*.4=138
I hope I helped somehow!
Rise/Run
5/4
You go to the point farthest to the left and count up. This will be your Rise. Then you count over to the point on the right. This will be your Run.
