Answer:
20*(4/5)
Step-by-step explanation:
The expression you will use is :
20*(4/5) = 80/5 = 16
16 is 80 percent of 20 wich equals 4 fifths that's true
Answer:
Step-by-step explanation:
2a + 3 - 4a + 8 = 7
-2a + 11 = 7
-2a = -4
a = 2
Angle ZYX=180-115=65
in triangle sum of angles =180
so
4k+5+6k+10+65=180
10k+80=180
10k=180+80=260
k=260/10
k=26