2/5+3/10=
(x + 3)
2 ā 2.25.
1/3+1/9=
x^2-4x+5=0
3/5+1/10=
x^3-4x^2+5x=0
3x + 0.5y =8
2x + 0.25y = 5
Write $\frac{\45}{\75}$
as a percentage.
-40-7+4-2
Write $\frac{\39}{\25}$
as a percentage
