Digital SAT Math Practice Question #2441
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.
Rate 1 is $600/4 = 150$ gal/hr. Rate 2 is $600/6 = 100$ gal/hr. Combined rate is $250$ gal/hr. Time $= 600 / 250 = 2.4$ hours....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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