The expression
-
Eight servings of lunch decreased by some number. (This corresponds to
, where is the number of servings decreased.) -
Jones County has eight fewer elective courses than Smith County. (This suggests an initial number of courses in Smith County, and it can be represented as
, but based on the context of the question, this could still be interpreted in a similar way as if adjusting to find the comparison.) -
Naomi had eight pencils and gave some away to her classmates. (This can be represented as
, where is the number of pencils given away.)
So, the situations that represent the expression
- Eight servings of lunch decreased by some number.
- Naomi had eight pencils and gave some away to her classmates.
- Gabrielle decreased her eight-minute commute to school by some number of minutes. (Gabrielle's situation also applies as it follows the pattern of starting from 8 and subtracting some number of minutes).
Thus, the three valid situations that represent
- Eight servings of lunch decreased by some number.
- Naomi had eight pencils and gave some away to her classmates.
- Gabrielle decreased her eight-minute commute to school by some number of minutes.
(Note: "Jones County has eight fewer elective courses than Smith County" doesn't directly represent