Digital SAT Math Practice Question #2440
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Desmos / Fast Proportion: Set up equivalent fractions $\frac{a}{b} = \frac{c}{d}$ and cross-multiply in seconds.
Rate is $420 / 30 = 14$ cal/min. In 45 minutes: $14 \times 45 = 630$ calories....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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