Find the valué of x round ro the nearest tenth

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

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate