Answer:
Step-by-step explanation:
From the information provided, we can understand that when the expression "the difference of a number and ninety" is evaluated with a = 102:
1. The expression is written as
and
.
2. Substituting 102 for a, we simplify the expression to
.
3. The process involves subtracting 90 from 102 to simplify the expression.
Based on the given information, the evaluated expression for "the difference of a number and ninety" when a = 102 is
. This fraction represents the result of subtracting 90 from 102 and simplifying the expression.
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