1/8=0.125
0.125
______
8 I 1.000
- 8
______
20
- 16
_______
40
- 40
_______
0
13 people are required to do so
Answer:

Step-by-step explanation:
OPQ is a right angle triangle.
<u>Using Pythagoras</u>

<u>Using quadratic formula</u>
<u />

OR
(Length can't be negative)
∴ 
Times 4 because, 5 times 4 is 20, 20 times 4 is 80 and so on.
Answer:
$360. (I believe so, anyways.)
Step-by-step explanation:
Original Price x Discount % / 100
Discount = 600 × 40/100
24000/100
$600 - $240
Final Price = $360