Mat 116
posted by Robin on .
0.5x+1<=1.3x6
0.5x+1 <=1.3x6
1.3x 1.3x
.8x+11<=61
.8x <=7
{xx <= or >= 7/80
or 8.75
The answer seeking is either integer or decimal it states.
My answer is {xx <= 8.75
Is is right?

0.5x+1<=1.3x6
.5x  1.3x ≤ 6  1
.8x ≤ 7
x ≥ 7/.8
x ≥ 8.75
{xx ≥ 8.75 }