Final answer:
To write the sentence as an equation, we can represent 'reduced by a' as 'a' and 'is the same as' as an equals sign. The equation is 178 = 246 - a.
Step-by-step explanation:
To write the sentence as an equation, we can represent the phrase 'reduced by a' as 'a' and the phrase 'is the same as' as an equals sign '='. So, the equation becomes: 178 = 246 - a.
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