160+100+180+60=500
180/500=0.36=36%
50x36%=18
That's your answer lovely~
.4=2/5
80=2
X =5
2x=400
X=200
<h3>
Answer:</h3><h3>If you know one ratio in a proportion , you can use that information to find values in the other equivalent ratio. </h3>
First combine the 3i and 5i. They are multiplied.
3*5 * i*i
i*i = - 1
3*5 = 15
This much is - 15
Now use the distributive law.
-15 * (6 + i)
-90 - 15i
