You can only solve this by having the same base on each side. So to change 1/27, you can use 3^-3, which is then multiplied through. So the equation is:
4x-5=-3(2x+10)
4x-5=-6x-30
10x=-25
x=-2.5
Answer:

or 5%
Step-by-step explanation:
Explanation:
3/4=15/20
1/5=4/20
So, rest of 'em 1/20
B because .06 + .12 = .18 which is 18% out of 250 people
Answer:
43.5
Step-by-step explanation:
43.5*2=87+3=90