Answer
4
Work Step by Step
We can write the given ratio as a fraction and then simplify in lowest terms.
$\frac{3.60dollars}{.90dollars}$
Since both the denominator and numerator have the same unit, we can divide out the common unit.
$\frac{3.60}{.90}=\frac{3.60\div.90}{.90\div.90}=\frac{4}{1}=4$
