Solve the following equation
1.8+o<=2.50
Solve for o
1.8 + o ≤ 2.50
Group our constants 1.8 and 2.50. subtract 1.8 from both sides
o + 1.8 - 1.8 ≤ 2.50 - 1.8
o ≤ 0.7
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