The distributive property is useful when combining terms.
.. t -0.30t
.. = t(1 -0.30)
.. = t(0.70)
.. = 0.70t
The coefficient of t in Stuart's expression is 0.70.
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It is a good idea to learn to do this in your head. You will often be called upon to find the result of adding or subtracting a percentage. 30% less than 100% is 70%, as we found above.
