Question

one mile is about 1.61 kilometers. volcano Mauna Kea is 120 kilometers wide. what is the width of the volcano in miles, rounded to the nearest tenth?

Answer 1

$\frac{1}{1.61} = \frac{x}{120} \\ \\ 1*120=1.61*x \\ \\ 120=1.61x \\ \\ 74.5=x$

74.5 miles