SAT Linear inequalities in one or two variables Question
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Question 1 · Easy · MathOctober 2024 Batch 2 · Q6Linear inequalities in one or two variables · 0 solved
A geologist estimates that the volume of a boulder is greater than 12.7 cubic feet but less than 15.7 cubic feet. The geologist also estimates that the boulder weighs 160 pounds per cubic foot of volume. Which inequality represents this situation, where represents the estimated total weight, in pounds, of the boulder?
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The trap here
Forgetting to flip the inequality when dividing by a negative — Divide both sides by −2 and the < must become >. The SAT builds whole questions on this.