Answer:
80% or 0.8
Step-by-step explanation:
He spent 4/5
4/5= 0.8
0.8= 80%
0.8
or
80%
The sum of all angles in a triangle is always 180.
So we can set up an equation
3/2x+1/2x+x= 180
3/2+1/2x+2/2x=180
3x+1x+2x=360
6x=360
x=60
Hope this helps. Please mark brainliest
Answer: 20
let the number be x
1/4 x = 5
x=5*4
x=20
The solution is in the picture
