Question 132127
0 < 1 - 5x/8 < 9/20
Subtract 1 along the line to get:
-1 < (-5/8)x < -11/20
Multiply thru by 8 to get:
-8 < -5x < -22/5
Divide thru by -5 to get:
22/25 < x < 8/5

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Cheers,
Stan H.