Seven eighths time half equals what

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?