Find the difference in total represented by two pictogram rows.
\( \begin{array}{l}\text{In a pictogram, each } \triangle \text{ represents 7 responses.} \\ \text{One row shows 4\triangle, another shows 2.5\triangle. Find the difference.}\end{array} \)
Choose one option:
Subtract correctly and include fractional symbols before multiplying.
Difference = (larger symbols - smaller symbols) × value per symbol.
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