Digital SAT Math Practice Question #2453
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Desmos / Fast Proportion: Set up equivalent fractions $\frac{a}{b} = \frac{c}{d}$ and cross-multiply in seconds.
After 20% increase: $80 \times 1.20 = $96. After 20% decrease: $96 \times 0.80 = $76.80. Successive percentage changes do not cancel....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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