Answer: 170.25
Step-by-step explanation:
<u>Quick version</u>
Step 1: Convert 15 percent to decimal
![15\%\:=\frac{15}{100}\\\\= 15 \%](https://tex.z-dn.net/?f=15%5C%25%5C%3A%3D%5Cfrac%7B15%7D%7B100%7D%5C%5C%5C%5C%3D%2015%20%5C%25)
Step 2: Multiply 0.15 to 1135
![0.15\cdot \:1135\\\\=170.25](https://tex.z-dn.net/?f=0.15%5Ccdot%20%5C%3A1135%5C%5C%5C%5C%3D170.25)
170.25 is 15 percent of 1135.
Step-by-step explanation:
4a(a-x)+x(a-x)
[4a]2-4ax+ax-(x)2
(4a)2-3ax-(x)2
Answer:
there must be at least 6 chaperones
Step-by-step explanation:
25 x 3= 75 so 2 chaperons x 3= 6 with a remainder of 5 students
Answer:
Step-by-step explanation:
p = (3n + a)/(n + a)
Cross multiply
p(n + a) = 3n +a
pn + pa = 3n + a
pa - a = 3n - pn
a(p - 1) = n(3 - p)
Dividing by p - 1
a = n(3 - p)/(p - 1)