Six fifths =

.
You can multiply the numerator and denominator by any number to find an equivalent fraction.
Two examples of equivalent fractions would be

and

.
Hope that helped you.
Use the formula.
Area = (1/2)*13*10*sin(72°) ≈ 61.8 units².
B={x|x is an even whole no less than 9}
Now

X=60
That’s the answer
What I did to get it
(3x-60)=120
+60. +60
3x =180
————. = 60
3
X=60