Please help me with this question.

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

Which number line represents the solution set for the inequality - x 24?