Population density (people per square mile) is found by dividing population by square miles. The appropriate numbers are found in choices A and B, but only choice B uses the <em>divided by</em> operation.
The appropriate choice is ...
... B) 1.2e6÷1.1e4
90 trucks- for every 2 cars there are 5 trucks
X ≥ 90 + 3x
You simplify the right side, then subtract 180 from both sides, then multiply by negative one.
